好学英文网题目：2011年英语四级考试写作之常见词汇英文表达三

behalf n. on behalf of sb/on sb‘s behalf; US in behalf of sb/in sb’s behalf as the representative of or spokesman for sb; in the interest of sb

benefit n. profit; gain; future good （used esp with the vs and preps shown）

bias n. opinion or feeling that strongly favours one side in an argument or one item in a group orseries; predisposition; prejudice

bond n. written agreement or promise that has legal force; covenant

brief adj. lasting only a short time; short

bulk n. size， quantity or volume， esp when great

capable adj. having ability; able; competent

capacity n. ability to hold or contain sth

category n. class or group of things in a complete system of grouping

cease v. come or bring （sth） to an end; stop

challenge n. ~ （to do sth） invitation or call （to sb） to take part in a game， contest， fight etc to prove who is better， stronger， more able， etc

channel n. sunken bed of a river， stream or canal

chapter n. （usu numbered） division of a book

chart n. detailed map used to help navigation at sea， showing coasts， rocks， the depth of the sea， etc

chemical adj. of or relating to chemistry

circumstance n. condition or fact connected with an event or action

cite quote; commend

civil adj. of or relating to the citizens of a country

clarify v. （cause sth to） become clear or easier to understand

classic adj. having a high quality that is recognized and unquestioned; of lasting value and importance

clause n. group of words that includes a subject1（4a） and a verb， forming a sentence or part of a sentence

code n. （system of） words， letters， symbols， etc that represent others， used for secret messages or for presenting or recording information briefly

coherent adj. connected logically or consistent; easy to understand; clear

coincide v. ~ （of events） occur at the same time or occupy the same period of time as sth else

collapse v. fall down or in suddenly

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