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Vocabulary Study Online By Level (VSOBL) is a Fast, Reliable, and Handy tool to prepare English exam vocabulary. (Available for all VIP accounts: US$2/Month). It has built-in word lists: 6000 IELTS words, 6000 TOEFL words, 5000 GRE words, and 3000 SAT words. You can load them by level with one click.
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[bảo tồn] uphold; retain; maintain in safety from injury, peril, or harm | |
[hồi sinh] restore from a depression; renew | |
[ghi nốt] mark with spots or lines, which are often colored; add notes to | |
[phụ thuộc] relying on another for support |
[ký hiệu] technical system of symbols used to represent special things; comment or instruction | |
[hồi sinh] restore from a depression; renew | |
[sự lộn xộn] separate the fibers or threads of; clarify by separating the aspects of | |
[phụ thuộc] relying on another for support |
[thử thách] severe trial; a form of trial to determine guilt or innocence; a difficult or painful experience | |
[nicotine] small cut; V-shaped or U-shaped indentation carved or scratched into a surface | |
[biển] sea-dwelling; maritime; naval | |
[xâm nhập] sharp; having the power of entering or piercing |
[sắc tố] a substance used as coloring; dry coloring matter | |
[xác định] spot; locate or identify with precision | |
[ounce] unit of weight equal to one-sixteenth of a pound | |
[suy thoái] withdrawal; retreat; time of low economic activity |
[cửa sổ] framed section of window or door that is filled with a sheet of glass or others; panel in a wall or door | |
[còn lại] remnant; something left after other parts have been taken away | |
[tiên phong] originator; explorer; a person who is one of the first people to do something | |
[ký hiệu] technical system of symbols used to represent special things; comment or instruction |
[đột kích] search without warning; surprise attack by a small armed force | |
[xác định] spot; locate or identify with precision | |
[áp suất] stress; tension; condition of being pressed | |
[ô nhiễm] the waste matter that contaminates the water or air, or soil |
[định hướng lại] set or arrange in a new or different determinate position; cause to turn | |
[ngược lại] two words that express opposing concepts; contrariwise; directly facing each other | |
[mối bận tâm] state of being preoccupied; absorption of the attention or intellect | |
[bắp rang] small kernels of corn exploded by heat |
[giới thiệu] suggest; bestow commendation on; represent favorably | |
[nhím] relatively large rodents with sharp erectile bristles mingled with the fur | |
[nicotine] small cut; V-shaped or U-shaped indentation carved or scratched into a surface | |
[nguyên sơ] uncorrupted by civilization; primitive; remaining free from dirt or decay |
[xác định] spot; locate or identify with precision | |
[gia cầm] the craft of making earthenware; ceramic ware made from clay | |
[cung cấp] stipulated condition; an act of supplying or fitting out; something provided | |
[thử thách] severe trial; a form of trial to determine guilt or innocence; a difficult or painful experience |
[toa] written instructions from a doctor; written order; an act of establishing official rules, laws, or directions | |
[ngược lại] two words that express opposing concepts; contrariwise; directly facing each other | |
[ghi nốt] mark with spots or lines, which are often colored; add notes to | |
[giới thiệu] suggest; bestow commendation on; represent favorably |