4000 Duolingo Vocabulary List

两重的,两倍的,完全相同的 one that corresponds exactly to another, especially an original; identical copy; facsimile

水坝,筑坝 a barrier to prevent the flow of liquid, specially built across a watercourse

障碍,缺点 disadvantage or inconvenience; shortcoming; refund or remittance, such as a discount on duties or taxes

图表 graph; chart; figure or drawing made to illustrate a statement; plan

钻孔,打眼,锻炼 bore; pierce; make a hole; practice; train

捐赠 grant; present as a gift to a fund or cause; contribute

缺口,凹痕 cavity; a depression scratched or carved into a surface

分发,扩散,散布 distribute; spread; scatter like seeds

压下,压低 lower in spirits; press down

顽固的,顽强的 determined; stubbornly persevering; unyielding

钻孔,打眼,锻炼 bore; pierce; make a hole; practice; train

使恶化,质量下降 become worse; decline

离开,出发,启航 take off; leave; set out

剥夺,夺去,免去 deny; take something take away

压下,压低 lower in spirits; press down

论文(博士生) formal essay;  paper written by a candidate for the doctoral degree at university

绝望,失望 loss of hope; utter hopelessness; complete despondency

剥夺,夺去,免去 deny; take something take away

分发,扩散,散布 distribute; spread; scatter like seeds

暗淡的,模糊的 emitting only a small amount of light; lacking in brightness

水坝,筑坝 a barrier to prevent the flow of liquid, specially built across a watercourse

使恶化,质量下降 become worse; decline

溶解,液化 melt; liquefy; cause to pass into solution; cause to disappear or vanish

文凭,毕业证书 document certifying the successful completion of a course of study

分解,肢解 cut into small parts; withdraw or exclude from membership, as of a society or body

支配的,占优势的 major; important; outweighing

跌价,贬值,轻视,毁谤,折旧 devaluation; decrease in price or value

图表 graph; chart; figure or drawing made to illustrate a statement; plan

压下,压低 lower in spirits; press down

分配,分发,散布 hand out; disseminate; allocate

暗淡的,模糊的 emitting only a small amount of light; lacking in brightness

使膨胀,使扩大 make wider or larger; cause to expand; enlarge; widen

文凭,毕业证书 document certifying the successful completion of a course of study

预定的,到期的 owed and payable immediately or on-demand; proper and appropriate; fitting

圆屋顶 building or house, especially as the great hall, church, or temple; anything shaped like a cupola

分歧,岔开 difference; deviation; separation; the act of moving away in a different direction

充满活力的 energetic; vigorously active

论文(博士生) formal essay;  paper written by a candidate for the doctoral degree at university

饮食的,规定的食物,饮食规定 a regulated daily food allowance; of or relating to the diet

捐赠 grant; present as a gift to a fund or cause; contribute