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
