2011年12月英語四級(jí)寫作必備詞匯大全

　　author n. writer of a book, play, etc

　　authority n. power to give orders and make others obey

　　automate v. cause to operate by automation

　　available adj. that can be used or obtained

　　aware adj. ~ of sb/sth; ~ that... having knowledge or realization of sb/sth

　　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

　　colleague n. person with whom one works, esp in a profession or business

　　commence v. begin (sth); start

　　comment n. ~ written or spoken remark giving an opinion on, explaining or criticizing (an event, a person, a situation, etc)

　　commission n. ~ action, task or piece of work given to sb to do

　　commit v. do (sth illegal, wrong or foolish)

　　commodity n. thing bought in a shop and put to use, esp in the home

　　communicate v. ~ sth make sth known; convey sth

　　community n. the community the people living in one place, district or country, considered as a whole

　　compatible adj. ~ (of people, ideas, arguments, principles, etc) suited; that can exist together

　　compensate v. ~ for sth give (sb) sth good to balance or lessen the bad effect of damage, loss, injury,etc;

　　compile v. ~ sth (for/from sth) collect (information) and arrange it in a book, list, report, etc

　　complement n. ~ thing that goes well or suitably with sth else, or makes it complete

　　complex adj. made up of (usu several) closely connected parts

　　component n. any of the parts of which sth is made

　　compound n. thing made up of two or more separate things combined together

　　comprehensive adj. that includes everything

　　comprise v. have as parts or members; be made up of

　　compute v. ~ sth calculate sth with a computer

　　conceive v. become pregnant

　　concentrate v. ~ (sth) (on sth/doing sth) focus (one's attention, effort, etc) exclusively and intensely on sth, not thinking about other less important things

　　concept n. ~ idea underlying sth; general notion

　　conclude v. ~ (with sth) (usu fml ) come or bring (sth) to an end

　　concurrent adj. ~ existing, happening or done at the same time

　　conduct n. person's behaviour

　　confer v. ~ (with sb) (on/about sth) have discussions (esp in order to exchange opinions or get advice)

　　confine v. ~ sb/sth keep (a person or an animal) in a restricted space

　　confirm v. provide evidence for the truth or correctness of (a report, an opinion, etc); establish the truth of

　　conflict n. struggle; fight

　　conform v. ~ keep to or comply with (generally accepted rules, standards, etc)

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