abbreviation  | n.  (缩写,缩写词) shortening something by omitting parts of it  |  
 abnormal  | a. Syn. anomalous; unusual (反常的,异常的,变态的) unusual; not typical; not normal  |  
 abolish  | v. Syn. cancel; annul (废除) cancel; put an end to; destroy completely  |  
 aboriginal  | a. Syn. primitive; native (原来的,土著的) being the first of its kind in a region; primitive; native  |  
 abort  | v. Syn. failure; terminate (中止计划(任务)) stop; terminate before completion; terminate a pregnancy  |  
 abound  | v.  (充满,富于) be full of; be plentiful  |  
 abrasion  | n. Syn. scratch; friction (磨(擦)破,擦伤处(尤指皮肤因磨擦等造成者).表面磨损) scratch; friction  |  
 abridge  | v. Syn. condense; shorten (删节,节选) condense; shorten; reduce length of written text  |  
 abrupt  | a. Syn. sudden; unforeseen (突然的,意外的) broken off; very steep; having sudden transitions from one subject to another  |  
 absorb  | v. Syn. monopolize; receive (吸收,合并) assimilate or incorporate; suck or drink up; occupy full attention  |  
 abstract  | a. Syn. theoretical; abstruse (抽象的) theoretical; not concrete; not applied or practical; difficult to understand  |  
 abundance  | n. Syn. profusion; richness (丰富,充裕) great or plentiful amount; fullness to overflowing  |  
 accelerate  | v. Syn. speed; hasten (加速) move faster; cause to develop or progress more quickly; occur sooner than expected  |  
 accessory  | n. Syn. adjunct; appendage (附件) additional object; useful but not essential thing; subordinate or supplementary item  |  
 acclaim  | v. Syn. applaud (赞扬,表扬) applaud; announce with great approval  |  
 accommodate  | v. Syn. adapt; oblige (招待,食宿,适应) do a favor or service for; provide for; supply with; make suitable; adapt; allow for  |  
 accommodation  | n.  (住处,住所,适应,调节,通融) living quarters provided for public convenience; something that meets a need; convenience  |  
 accompany  | v.  (陪伴,伴随,伴奏) travel with; be associated with  |  
 accord  | n. Syn. agreement; treaty (一致,协议) settlement or compromise of conflicting opinions; written agreement between two states  |  
 accountable  | a.  (有责任的,应负责做出解释的) liable to being called to account; answerable; responsible; something that can be explained  |  
 accumulate  | v. Syn. collect (堆积,积聚,积累) pile up; collect;  mount up; increase  |  
 accuser  | n.  (原告,起诉人) one who accuses; one who brings a charge of crime or fault  |  
 achieve  | v. Syn. accomplish; fulfill (完成,实现) gain with effort; accomplish; fulfill  |  
 acquaint  | v. Syn. Inform (熟悉) inform about; cause to come to know personally; make familiar  |  
 acquire  | v. Syn. obtain; gain (获取) gain through experience or effort; gain possession of; locate with tracking system  |  
 acquisition  | n. Syn. acquirement; attainment (获得) act of contracting or assuming or acquiring possession of something  |  
 activate  | v. Syn. encourage; stimulate (刺激,使活动) make active or more active; stimulate; make radioactive  |  
 acute  | a. Syn. keen; sharp (精明,敏锐,聪明) quickly perceptive; keen; having a sharp point or tip; extremely sharp or severe  |  
 adapt  | v. Syn. alter; modify (改变) make fit for; change to suit a new purpose  |  
 addict  | v.  (使上瘾,使沉溺) cause someone to become dependent; indulge in; be devoted to  |  
 adept  | a. Syn. competent; proficient (擅长于) expert at; very skilled; having or showing knowledge and skill and aptitude  |  
 adequate  | a. Syn. sufficient; enough (足够的,充实的) sufficient; enough to meet a purpose  |  
 adhere  | v. Syn. stick; bond (黏着) stick fast; stick to firmly; be compatible or in accordance with  |  
 adjacent  | a. Syn. adjoining; neighboring (邻近的,毗邻的) adjoining; neighboring; close to; lying near  |  
 adjoin  | v. Syn. attach (毗连,临近,贴近) be next to; be contiguous to; border on  |  
 administer  | v. Syn. govern; supervise (管理) govern; supervise; give or apply medications  |  
 administrate  | v.  (管理) administer; supply; supervise or be in charge of  |  
 admission  | n. Syn. admittance; entrance; access (准许进入,准许加入,入场费,会费,承认,招认) act or practice of admitting; power or permission to enter  |  
 adolescence  | n. Syn. youth; juvenescence (青春期) state of growing up from childhood to manhood or womanhood; transitional period between youth and maturity  |  
 advent  | n. Syn. arrival (到来,出现) coming or arrival, especially of something extremely important  |  
 adverse  | a. Syn. unfavorable; hostile (讨厌,敌意) in opposing direction; harmful or unfavorable; acting or serving to oppose  |  
 advertise  | v. Syn. notify (登广告,做广告,广告商) give notice to; inform or apprise; make known; give public notice of  |  
 advocate  | v. Syn. urge; support (辩护,推广) speak, plead, or argue in favour of; plead for; push for something  |  
 aerial  | a.  (空气的,空中的) of the air or atmosphere; produced by or found in the air; performed in the air  |  
 aesthetic  | a. Syn. artistic; elegant (审美的) elegant or tasteful; of or concerning appreciation of beauty or good taste  |  
 affiliate  | v. Syn. associate; incorporate (使隶属,接纳为成员) associate; incorporate  |  
 affirm  | v. Syn. assert; confirm (断言,证实,确认) assert; confirm  |  
 affix  | v. Syn. fasten; attach (增加,附于) fasten; append; add on; secure to something  |  
 afflict  | v. Syn. plague; suffer; torment (折磨,使苦恼) cause pain, suffering or distress  |  
 aggregate  | v. Syn. gather; accumulate (收集,聚集) gather into a mass, sum, or whole; amount to  |  
 agitation  | n. Syn. anxiety; disturbance (焦虑,不安,鼓动,煽动) anxiety; extreme emotional disturbance  |  
 agony  | n.  (极大痛苦) extreme pain of mind or body; anguish; last struggle of life; death struggle  |  
 agreeable  | a. Syn. pleasing; acceptable (使人愉快的,合意的) ready to consent or submit; acceptable  |  
 airing  | a.  (晾干,通风,公开,公开讨论,散步,开汽车兜风) exposure to air for freshening or drying; exposure to public attention; radio or television broadcast  |  
 albeit  | ad.  (虽然,纵使) even though; although; notwithstanding  |  
 alienate  | v. Syn. estrange; transfer; separate (孤立,树敌) cause to become unfriendly or hostile; transfer property or ownership; isolate or dissociate emotionally  |  
 allege  | v. Syn. affirm (断言) state without proof; assert to be true  |  
 allegiance  | n. Syn. loyalty;  fidelity (忠诚) loyalty to a nation, sovereign, or cause; fidelity to any person or thing; devotion  |  
 alleviate  | v. Syn. relieve;  moderate; reduce (解脱,释放,释然) provide physical relief, as from pain; make easier; remove in part  |  
 allocate  | v. Syn. assign (分配,制定) assign; distribute according to plan  |  
 allot  | v. Syn. distribute (按份额分配) parcel out in parts or portions; distribute to each individual concerned; assign as a share or lot  |  
 allowance  | n. Syn. authorization; permission (津贴,补助,认同,宽容,份额) approval;  act of allowing, granting, or admitting  |  
 alloy  | v. Syn. combine; mix (混合,减少纯度) combine; mix; make less pure; lessen or moderate  |  
 alongside  | ad.  (横靠着,沿着,傍着,横靠,傍着) along or by the side; side by side with  |  
 alphabetical  | a.  (字母的,按字母顺序) arranged in customary order of the letters of a language  |  
 alter  | v. Syn. modify; change; convert (改变,修改) modify; cause to change; make different; convert  |  
 alternate  | a. Syn. substitute (交替的,轮流的) happening or following in turns; succeeding each other continuously; substitute  |  
 altitude  | n. Syn. elevation; height (高度) elevation especially above sea level; height  |  
 amateur  | a. Syn. nonprofessional; inexpert (业余的) nonprofessional; lacking the skill of a professional, as in an art  |  
 amaze  | v. Syn. stun; astonish; shock (使吃惊,使惊叹) astonish; affect with wonder  |  
 ambiguity  | n.  (模棱两可) state of being ambiguous; doubtfulness or uncertainty  |  
 ambiguous  | a.  (模棱两可的) unclear or doubtful in meaning  |  
 ambitious  | a. Syn. aspiring; enterprising (有雄心的,渴望成功的) aspiring; having a strong desire for success or achievement  |  
 amend  | v. Syn. correct; improve (修订,修改,变更) change for the better; improve; remove faults or errors  |  
 amends  | n.  (赔偿,补偿) compensation for a loss or injury; recompense; reparation  |  
 amid  | ad. Syn. among (在…中) in the middle of; among; surrounded by  |  
 amidst  | ad. Syn. amid; among (在…中) amid; in the middle of; among  |  
 ammunition  | n. Syn. weapon (军火,弹药) military stores or provisions; articles used in weapons, as powder, balls, shot, shells  |  
 amphibian  | a.  (两栖的) able to live both on land and in water  |  
 ample  | a. Syn. abundant (丰富的,富足的) more than enough in size or scope or capacity; fairly large  |  
 amplify  | v. Syn. intensify; increase (放大) broaden or clarify by expanding; intensify; make larger or more powerful; increase  |  
 amuse  | v. Syn. absorb; distract; bewilder (使欢乐,逗…笑,娱乐,消遣) occupy in an agreeable, pleasing, or entertaining fashion; cause laughter or be funny; delude or deceive  |  
 analogy  | n. Syn. similarity; parallelism (类比,相似) similarity in some respects; comparison based on similarity  |  
 analyse  | v.  (分析) resolve anything complex into its elements; separate into parts for purpose of examination of each separately  |  
 analytical  | a.  (分析法的,善于分析的) of analysis; resolving into elements or parts  |  
 ancestor  | n. Syn. forefather; forebear (祖先,祖宗) forefather; forebear; forerunner or predecessor  |  
 anchor  | v. Syn. fasten (固定,锚) secure or fasten firmly; be fixed in place; narrate or coordinate  |  
 anecdote  | n. Syn. episode; story (奇闻轶事) short account of amusing or interesting event; short narrative; secret story of history or biography  |  
 annihilate  | v. Syn. destroy (毁灭,破坏) destroy completely; reduce to nonexistence  |  
 annoy  | v. Syn. disturb; irritate (使恼怒,打扰) disturb, especially by minor irritations; irritate  |  
 annuity  | n.  (年金,养老金) annual payment of allowance or income; periodical payment, amounting to a fixed sum in each year  |  
 antagonism  | n. Syn. hostility; enmity (反抗,敌对) active resistance; condition of being an opposing principle, force, or factor  |  
 antarctic  | a.  (南极的) opposite to the northern or arctic pole; relating to the southern pole or to the region near it  |  
 anthem  | n. Syn. song; hymn (圣歌,赞美诗) song of praise or patriotism; song of devotion or loyalty  |  
 anthology  | n. Syn. collection (选集) book of literary selections by various authors  |  
 anthropology  | n.  (人类学) social science that studies origins and social relationships of human beings  |  
 antibiotic  | a. Syn. antibacterial (抗菌的,抗生的)  of or relating to chemical substance that kills microorganisms and cures infections  |  
 anticipate  | v. Syn. expect; predict (预期,预料)  act in advance of; deal with ahead of time; predict  |  
 anticipation  | n. Syn. expectation (期望,预料) something expected; pleasurable expectation; wishing with confidence  |  
 antonym  | n.  (反义词) word of opposite meaning; counter term  |  
 apologetic  | a.  (道歉的,歉意的) offering or expressing an apology or excuse; serving as or containing a formal justification or defense  |  
 apparatus  | n. Syn. equipment (器械,设备) a group of parts that work together to perform given function; appliance or device for particular purpose  |  
 apparent  | a. Syn. visible (明显的,明白的,外表的,表面上的) capable of being seen, or easily seen; open to view; visible to eye  |  
 append  | v. Syn. attach (追加,附上) attach; add as supplement or appendix  |  
 appendix  | n. Syn. appendage; adjunct; concomitant (阑尾,附录) something appended or added  |  
 applaud  | v. Syn. clap; acclaim (喝彩,欢呼) acclaim; express approval, especially by clapping the hands  |  
 appliance  | n.  (用具,器具) durable goods for home or office use; device or instrument for household use  |  
 applicant  | n. Syn. candidate (申请人) candidate  |  
 appraisal  | n. Syn. assessment; evaluation (评价,估价) assessment; evaluation; the classification of someone or something with respect to its worth   |  
 appreciable  | a. Syn. considerable; perceptible (很大的,值得重视的) considerable; perceptible  |  
 apprentice  | n.  (学徒) works for an expert to learn a trade; beginner; learner  |  
 approximate  | v. Syn. approach (接近,近似) approach; come near  |  
 apt  | a. Syn. appropriate; suitable (恰当的,贴切的) likely; exactly suitable; appropriate; quick to learn or understand  |  
 aptitude  | n. Syn. intelligence; talent (能力,才能) inherent ability; quickness in learning and understanding  |  
 aquarium  | n.  (水族馆) tank or pool or bowl filled with water for keeping live fish and underwater animals  |  
 aquatic  | a. Syn. watery (与水有关系的) consisting of, relating to, or being in water  |  
 arbitrary  | a. Syn. capricious; impulse (反复无常,随机的) randomly chosen; determined by chance or impulse, and not by reason or principle  |  
 arc  | n.  (弧形,拱形) continuous portion of a circle; something curved in shape   |  
 arch  | n.  (拱,脚弓,使弯成拱,使成拱形) any part of a curved line  |  
 archaic  | a. Syn. antiquated (过时的) no longer current or applicable; antiquated  |  
 architect  | n.  (建筑师) one who designs and supervises the construction of buildings or other large structures  |  
 archives  | n.  (档案,档案馆) public records; place where public records are kept  |  
 ardent  | a. Syn. intense; passionate; zealous (热心的,热情的) displaying or by strong enthusiasm or devotion; passionate  |  
 arduous  | a. Syn. hard; strenuous (努力,奋发) demanding great effort or labor; difficult  |  
 arena  | n.  (竞技场,舞台) playing field where sports events take place; large structure for open-air sports or entertainments  |  
 arise  | v. Syn. spring (出现,发生,起来,站起) come up from a lower to a higher position; come above the horizon; spring up; come into action  |  
 armour  | n.  (盔甲,保护层) defensive covering, as of metal, wood, or leather, worn to protect the body against weapons  |  
 arouse  | v. Syn. excite; stimulate; awake (刺激,激起,唤醒) excite; stimulate; awaken from or as if from sleep  |  
 array  | v. Syn. marshal (排列,整理) set out for display or use; place in orderly arrangement  |  
 articulate  | a. Syn. effective; distinct (有效的,清晰的) expressing oneself easily in clear and effective language  |  
 artificial  | a. Syn. unreal (人造的,人工的) made by humans; produced rather than natural.  |  
 artillery  | n.  (大炮,炮兵) large weapons, such as cannon and missile launchers operated by crews; branch of army in use of large weapons  |  
 ascend  | v. Syn. climb; mount ((渐渐)上升,升高,攀登) climb; mount  |  
 ascent  | n.  (攀登,上升) upward slope or grade; movement upward  |  
 ascertain  | v. Syn. discover; insure (确认,确证) find out for certain; discover with certainty; make sure of  |  
 ascribe  | v. Syn. refer; attribute; assign (归因于,指派) inscribe or dedicate; attribute to a specified cause, source, or origin; assign as a quality  |  
 aspect  | n. Syn. respect; facet ((问题的)方面,(事物的)一部分) distinct feature or element in a problem; a way in which something can be viewed by the mind  |  
 aspiration  | n. Syn. ambition; longing (雄心,抱负) ambition; longing  |  
 aspire  | v. Syn. dream; seek (热望,热心于) seek to attain; long for; strive toward an end  |  
 assassination  | n.  (暗杀) act of assassinating; killing by treacherous violence; murder of public figure by surprise attack  |  
 assemble  | v. Syn. gather (集合,装配) put together; bring or call together into a group or whole  |  
 assert  | v. Syn. declare (断言) declare or state with confidence; put oneself forward boldly  |  
 assess  | v. Syn. estimate; judge (估计,估算,评估,评价)  estimate  value; judge worth of something  |  
 asset  | n. Syn. properties; advantage (财产,资产) properties; advantage; useful or valuable quality  |  
 assign  | v. Syn. appoint; allot (分配,指定,让与) appoint; allot; make over; point out authoritatively or exactly  |  
 assorted  | a. Syn. varied; miscellaneous (各式各样的,多样混合的) varied; miscellaneous  |  
 assumption  | n. Syn. hypothesis; supposition (假定,设想,采取) something taken for accepted as true without proof; taking over or taking possession of  |  
 assurance  | n. Syn. certainty; confidence; insurance; guaranty (担保,保证,确定,自信) promise or pledge; certainty; self-confidence; freedom from doubt  |  
 astound  | v. Syn. surprise; shock (使惊异) affect with wonder; surprise; shock  |  
 astronomy  | n.  (天文学) branch of physics that studies celestial bodies and universe as a whole  |  
 asylum  | n. Syn. protection (庇护所) place of refuge or shelter; protection  |  
 athlete  | n.  (运动员) sports man; one who contended for prize in public games  |  
 atlas  | n.  (地图集) a bound volume of maps, charts, or tables  |  
 attach  | v. Syn. fasten; annex (系,缚,附加) fasten; annex; be in contact with  |  
 attain  | v. Syn. gain (获得,完成) achieve or accomplish; gain  |  
 attendance  | n.  (出席,出席的人数) act of being present  |  
 attendant  | n. Syn. aide; servant (侍者,护理人员) aide; servant; accompanying; person who participates in a meeting  |  
 attribute  | n. Syn. trait (属性,声望) essential quality; reputation; honor  |  
 audible  | a. Syn. perceptible; discernible (听得见的) perceptible; heard or perceptible by the ear  |  
 audit  | n.  (核算,稽核) examination of accounts; adjustment or correction of accounts  |  
 auditorium  | n.  (听众席,观众席) area of theater or concert hall where audience sits  |  
 augment  | v. Syn. increase (增长) make greater, as in size, extent, or quantity  |  
 authentic  | a. Syn. genuine; real; valid; trustworthy (真的,可靠的,确实的) not counterfeit or copied; valid; trustworthy  |  
 author  | n.  (作者,创作者,创始者) beginner, former, or first mover of anything; creator; originator; one who composes or writes book or composer  |  
 authoritative  | a.  (权威,独裁) having weight of authority; peremptory and dictatorial  |  
 authorize  | v. Syn. empower; sanction (授权,批准) empower; give permission for; sanction  |  
 automate  | v.  (使自动化) replace or enhance human labor with machines  |  
 automatic  | a. Syn. automated; mechanized; involuntary (自动(化)的,无意识的,机械的) mechanized; operating with minimal human intervention; independent of external control  |  
 automation  | n.  (自动化操作) act or process of converting the controlling of a machine or device to a more automatic system, such as computer or electronic controls  |  
 automobile  | n.  (汽车,小汽车) self-propelled vehicle suitable for use on street or roadway  |  
 autonomy  | n. Syn. independence; liberty (自治,自治权) independence; self-government or the right of self-government; self-determination  |  
 auxiliary  | a. Syn. aiding; supplementary (辅助的) helper, additional or subsidiary  |  
 avail  | v. Syn. profit; promote (利用,效用,促进) turn to advantage of; be of service to; profit; promote  |  
 avalanche  | n.  (雪崩) great mass of falling snow and ice  |  
 avert  | v. Syn. prevent (转移,防止) prevent; turn or cause to turn off or away  |  
 aviation  | n. Syn. flying; flight; aeronautics (航空,航空学) art or science of flying; flight; aeronautics  |  
 axis  | n. Syn. shaft; pivot (轴,轴心) the center around which something rotates; pivot  |  
 backward  | a.  (向后的,返回的,落后的,没有自信的,羞怯的) directed to the back or rear; unwilling; averse; reluctant; hesitating; undeveloped  |  
 bacterium  | n.  (细菌) single celled organism with no nucleus  |  
 badminton  | n.  (羽毛球运动) game played on a court with light long-handled rackets  |  
 baffle  | v. Syn. frustrate; perplex (挫败) frustrate as by confusing or perplexing; impede force or movement of  |  
 ballot  | n.  (选票,投票数,投票,表决) printed or written ticket used in voting; act of voting; whole number of votes cast at an election  |  
 bamboo  | n.  (竹,竹茎) plant of the family of grasses, and genus Bambusa, growing in tropical countries  |  
 ban  | n. Syn. Prohibition (禁止,查禁) official prohibition; decree that prohibits something  |  
 bandage  | n.  (绷带,用绷带包扎) strip of woven material, used in dressing and binding up wounds  |  
 banish  | v. Syn. dispel (放逐,摒弃) drive out; drive away; compel to depart; dispel  |  
 bankrupt  | a.  (破产了的) penniless, without any money; financially ruined  |  
 banquet  | n. Syn. feast (宴会,出席宴会,参加宴会) feast; entertainment of eating and drinking  |  
 bark  | n. Syn. yelp; howl (树皮,狗叫) sound made by a dog; harsh sound uttered by a dog  |  
 barometer  | n.  (气压计,晴雨表) instrument for determining the weight or pressure of the atmosphere  |  
 barren  | a. Syn. desolate (荒芜的,贫瘠的) desolate; fruitless and unproductive; lacking  |  
 barricade  | n. Syn. obstacle (屏障,障碍物) hastily put together defensive barrier; obstacle  |  
 barrier  | n. Syn. obstacle; hindrance; hurdle (屏障,障碍,栅栏) obstacle; structure built to bar passage; boundary or limit  |  
 barter  | v. Syn. trade; exchange (物品交换,易货贸易) trade goods or services without the exchange of money  |  
 batch  | n.  (一批,大量) quantity of bread baked at one time; a collection of things or persons to be handled together  |  
 bathe  | v. Syn. lave; immerse (游泳,浸,洗,笼罩) wash by immersion, as in a bath; subject to bath; lave; immerse or cover one's self  |  
 batter  | v.  (接连重击,敲碎,用坏,奶油面糊) beat with successive blows; beat repeatedly and with violence  |  
 bead  | n. Syn. pearl; drops; droplet (珠子,(液体)小滴) small piece of material, such as glass, plastic, or wood, that is pierced for stringing  |  
 beautician  | n.  (美容师) one skilled in giving cosmetic treatments; one who does hair styling, manicures, and other beauty treatments  |  
 beforehand  | ad. Syn. previously; aforetime (预先,过早,匆忙) in state of anticipation; in advance; by way of preparation  |  
 beneficial  | a. Syn. helpful; useful (有用的) helpful; tending to promote physical well-being  |  
 berth  | n.  ((船)停泊) space for ship to dock or anchor; allotted place; place to sleep or stay; appointment or job  |  
 beset  | v. Syn. harass; attack (困扰) attack from all sides; trouble persistently; hem in  |  
 beverage  | n. Syn. refreshment ((除水之外的)饮料) liquids for drinking, usually excluding water; refreshment  |  
 bewilder  | v. Syn. confuse (使迷惑,使昏乱) lead into perplexity or confusion; perplex with mazes  |  
 bias  | n. Syn. prejudice; preference (偏见,偏好) preference or inclination, especially one that inhibits impartial judgment;  influence in unfair way  |  
 bibliography  | n.  (文献学) list of works of a specific author or publisher; list of writings relating to a given subject  |  
 bilateral  | a. Syn. mutual; lateral (两边的,双边的) two-sided; mutual  |  
 bilingual  | n.  ((能说)两种语言的) using or able to use two languages, especially with equal or nearly equal fluency  |  
 bind  | v. Syn. contract; cohere; stick (缚,绑,装订,使应当,联合) tie, or confine with a cord, band, or chain; make fast; contract; cohere or stick together  |  
 biography  | n.  (传记) an account of the series of events making up a person's life;  accounts of people's life  |  
 bitumen  | n.  (沥青) mineral pitch; black, tarry substance, burning with a bright flame  |  
 blaze  | n. Syn. flame (燃烧,照耀) brilliant burst of fire; destructive fire; flame  |  
 bleach  | v. Syn. whiten; blanch (去色,漂白) make white or colorless; blanch  |  
 bleak  | a. Syn. cold; cheerless (阴冷的,寒冷的,没有指 望的,令人沮丧的) cold or cheerless; unlikely to be favorable  |  
 blend  | n. Syn. combination; mixture (混合,掺混) combination; mixture; forming uniform mixture  |  
 blink  | v. Syn. wink (眨眼) shut eyes briefly; wink  |  
 bloc  | n.  (行动一致的集团,政党或国家) a group of nations, parties, or persons united for common action  |  
 bloom  | n. Syn. flower; blossom (花,开花) flower; blossom; best time of youth; period of greatest prosperity or productivity  |  
 blossom  | n.  (花蕾) reproductive organ of plants, especially one having showy or colorful parts  |  
 blot  | n.  (污斑,污迹,污渍,(品行上的)污点) spot or stain, as of ink on paper; blur; weak point or failing  |  
 blunder  | n. Syn. error (严重错误) serious mistake typically caused by ignorance or confusion  |  
 blunt  | a. Syn. insensitive (钝的,直率的,不客气的,使变钝) having a dull edge or end; not sharp; lacking in feeling; insensitive  |  
 blur  | n. Syn. stain; dim (模糊不清的事物) something that is hazy and indistinct to the sight or mind; dim, confused appearance;  moral stain or blot  |  
 blush  | v.  (脸红,羞愧) become rosy or reddish;  turn red, as if in embarrassment or shame  |  
 boast  | v. Syn. brag; vaunt (自夸,自豪) show off oneself;  speak of with excessive pride  |  
 boil  | v.  (煮沸,煮,使人怒气冲天) be agitated; pass from a liquid to vapor when heated; be  excited with passion; heat in water  |  
 bookcase  | n.  (书架) case with shelves for holding books, especially one with glazed doors  |  
 bookkeeper  | n.  (簿记员,记帐人) one who keeps accounts; one who has charge of keeping books and accounts in an office  |  
 bookstall  | n.  (书摊) stall where books are sold, as on a street; table with enclosed sides, for displaying books for sale  |  
 boost  | v. Syn. raise; advance (增加,提高,促进) raise; advance; push or shove upward  |  
 boundary  | n. Syn. border; frontier (分界线,边界) dividing line; border; frontier  |  
 bounty  | n. Syn. kindness; virtue (慷慨,奖金,补助金) goodness, kindness; virtue; liberality in giving  |  
 bouquet  | n. Syn. bunch (花束) small cluster or arrangement of flowers; an arrangement of flowers that is usually given as a present  |  
 bowel  | n.  (肠,内部) a part or division of intestine; interior  of something; any internal organ of the body, as the stomach, liver, brain  |  
 boycott  | v.  (抵制) refrain from buying or using  |  
 brace  | n.  (使稳固,架稳  支撑物) something which holds anything tightly or supports it firmly, as bandage, cord, or rod;  |  
 brake  | n.  (煞车  减速,阻止) a piece of mechanism for retarding or stopping motion by friction  |  
 brashness  | n.  (莽撞的,无礼的) characteristic of being brash; trait of being rash and hasty; tasteless showiness  |  
 breach  | n. Syn. violation; infringement (违约,突破,打破) breaking of contract or duty  |  
 breakthrough  | n.  (突破,冲破防线,突破性的发现) act of overcoming or penetrating an obstacle or restriction  |  
 breed  | v. Syn. raise; hatch; mate (养育,繁殖) raise; produce offspring; give birth to or hatch; mate  |  
 brew  | v. Syn. boil; cook (酿造,酝酿,孕育) boil or seethe; cook; be in a state of preparation; be mixing, forming, or gathering  |  
 brink  | n. Syn. verge; border ((峭壁的)边沿,边缘) edge, margin, or border of a steep place verge  |  
 brisk  | a. Syn. energetic; swift (活泼的,轻快的) marked by speed, liveliness, and vigor; energetic; swift; keen or sharp in speech or manner  |  
 brochure  | n. Syn. pamphlet (小册子) pamphlet; small book usually having paper cover  |  
 bronze  | n.  (青铜,铜像) an alloy of copper and tin and sometimes other elements  |  
 brood  | v.  (闷想) think long and anxiously;  be in a state of gloomy, serious thought  |  
 browse  | v. Syn. graze (吃草,浏览) graze; skim or glance at casually  |  
 bruise  | v.  (伤痕,擦伤,瘀伤,擦伤) injure, as by a blow or collision; contuse; fight with the fists  |  
 buckle  | v. Syn. fold; fasten; distort (皮带扣环,锁扣,扣环) fold or collapse; bend out of shape, as under pressure or from heat  |  
 buffet  | n.  (自助餐) table with food set out for people to serve themselves; meal at which people help themselves to food that's been set out  |  
 bulb  | n.  (球茎,球状物) rounded part of a cylindrical structure; electric lamp consisting of a glass ball  |  
 bulge  | v.  (膨胀,突出) cause to curve outward; swell up; stick out; protrude  |  
 bulk  | n. Syn. majority; mass (大批,大部分) majority; main part; volume; mass  |  
 bulletin  | n.  (公告,告示,公报,新闻简报) brief statement of facts; any public notice or announcement; a periodical publication  |  
 bumper  | n.  ((汽车前后的)保险杆) something as bars at edges to absorb shock and prevent serious damage  |  
 bundle  | n. Syn. packet; parcel (捆,束,包) packet; a package of things tied together; a large sum of money  |  
 bungalow  | n.  (小平房) small house or cottage usually having a single story and attic  |  
 buoyant  | a.  (可漂浮的,乐观的) able to float; cheerful and optimistic  |  
 bureaucracy  | n.  (官僚机构) over-regulated administrative system  |  
 burgeon  | v. Syn. thrive; mushroom (发芽,成长) grow forth; send out buds; grow or develop rapidly  |  
 burial  | n. Syn. grave (埋葬,葬礼) grave or tomb; ritual placing of a corpse in a grave; concealing something under the ground  |  
 burrow  | n. Syn. tunnel; den (洞穴,供居住或躲藏的洞或地道) tunnel; hole in the ground made by an animal for shelter; dig; move through by or as by digging  |  
 bustle  | v. Syn. teem (喧嚣,繁忙,熙熙攘攘) move or cause to move energetically and busily; teem  |  
 butcher  | n. Syn. slaughterer (屠夫,肉商,屠宰,残杀,滥杀) one whose job is to kill animals for food; one who kills in large numbers, or with unusual cruelty; vendor, especially on train or in theater  |  
 butterfly  | n.  (蝴蝶) insect typically having a slender body with broad colorful wings  |  
 bypass  | n.  (规避,绕过) channel used to conduct gas or liquid around another pipe or a fixture; conductor having low resistance in parallel  |  
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