四级考试写作必备:常见词汇英文的表达(3)

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

　　benefit n. profit; gain; future good

　　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 to an end; stop

　　challenge n. ~ invitation or call 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. 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. 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 and a verb, forming a sentence or part of a sentence

　　code n. 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. ~ occur at the same time or occupy the same period of time as sth else

　　collapse v. fall down or in suddenly