B

　　balance - v. to make two sides or forces equal 平衡

　　balloon - n. a device of strong, light material that rises when filled with gas lighter than air 气球

　　ballot - n. a piece of paper used for voting 选票

　　ban - v. to not permit; to stop; n. an official restriction 禁止

　　bar - v. to prevent or block　禁止，阻碍

　　barrier - n. anything that blocks or makes an action difficult 障碍

　　base - n. a military center 军营; v. to establish as a fact 基于 ("Her research was based on experiments.")　

　　battle - n. a fight between opposing armed forces　战斗

　　beat - v. to hit again and again　击打

　　betray - v. to turn against; to be false to 背叛

　　bill - n. a legislative proposal　议案

　　biology - n. the scientific study of life or living things in all their forms　生物学

　　blame - v. to accuse; to hold responsible　责备

　　block - v. to stop something from being done; to prevent movement　堵塞，阻碍

　　bomb - n. a device that explodes with great force 炸弹; v. to attack or destroy with bombs 炸弹袭击

　　border - n. a dividing line between nations 边界

　　boycott - v. to refuse to take part in or deal with　联合抵制

　　brief - ad. short; not long　简短的

　　broadcast - v. to send information, stories or music by radio or television; n. a radio or television program　广播

　　brown - ad. having the color like that of coffee 褐色的

　　budget - n. a spending plan　预算

　　bullet - n. a small piece of metal shot from a gun 子弹

　　burst - v. to break open suddenly　爆裂

　　business - n. one's work; buying and selling to earn money; trade　工作，商业

　　C

　　cabinet - n. a group of ministers that helps lead a government 内阁

　　camp - n. a place with temporary housing　露营

　　campaign - n. a competition by opposing political candidates seeking support from voters; a connected series of military actions during a war　活动

　　cancel - v. to end; to stop　取消

　　cancer - n. a disease in which dangerous cells grow quickly and destroy parts of the body　癌症

　　candidate - n. a person who seeks or is nominated for an office or an honor 候选人

　　capitalism - n. an economic system in which the production of most goods and

　　services is owned and operated for profit by private citizens or companies 资本主义

　　capture - v. to make a person or animal a prisoner; to seize or take by force; to get control of 捕获

　　case (court) - n. a legal action　案例

　　case (medical) - n. an incident of disease ("There was only one case of chicken pox at the school.")　病例

　　cause - v. to make happen; n. the thing or person that produces a result　导致

　　ceasefire - n. a halt in fighting, usually by agreement　停火协议

　　celebrate - v. to honor a person or event with special activities　庆祝

　　ceremony - n. an act or series of acts done in a special way established by tradition　仪式

　　chairman - n. a person leading a meeting or an organized group　主席

　　champion - n. the best; the winner　冠军

　　charge - v. to accuse someone of something, usually a crime 控诉; n. a statement in which someone is accused of something 指控

　　chase - v. to run or go after someone or something　追逐

　　cheer - v. to shout approval or praise　欢呼

　　chemicals - n. elements found in nature or made by people; substances used in the science of chemistry　化学物质

　　chemistry - n. the scientific study of substances, what they are made of, how they act under different conditions, and how they form other substances　化学

　　chief - n. the head or leader of a group 首领; ad. leading; most important 主要的

　　civilian - ad. not military 平民

　　civil rights - n. the political, economic and social rights given equally to all people of a nation 公民权力

　　claim - v. to say something as a fact 声明

　　clash - n. a battle 冲突; v. to fight or oppose 发生冲突

　　clergy - n. a body of officials within a religious organization　神职人员

　　climate - n. the normal weather conditions of a place　气候

　　coal - n. a solid black substance used as fuel　煤

　　coalition - n. forces, groups or nations joined together　联盟

　　coast - n. land on the edge of the ocean　海岸

　　colony - n. land controlled by another country or government　殖民地

　　combine - v. to mix or bring together　联合，结合

　　command - v. to order; to have power over something　命令

　　comment - v. to say something about; to express an opinion about something　评论

　　committee - n. a group of people given special work　委员会

　　communicate - v. to tell; to give or exchange information　交流，通信

　　community - n. a group of people living together in one place or area　社区

　　compare - v. to examine what is different or similar　对比

　　compete - v. to try to do as well as, or better than, another or others　竞争

　　complex - ad. of or having many parts that are difficult to understand; not simple 复杂的

　　compromise - n. the settlement of an argument where each side agrees to accept less than first demanded　折衷

　　concern - n. interest, worry ("express concern about") ; v. to fear ("to be

　　concerned") 关注，关心

　　condemn - v. to say a person or action is wrong or bad 遣责

　　condition - n. something declared necessary to complete an agreement 条件; a person's health 身体状况

　　conference - n. a meeting 会议

　　confirm - v. to approve; to say that something is true 确定

　　conflict - n. a fight; a battle, especially a long one　冲突

　　congratulate - v. to praise a person or to express pleasure for success or good luck 祝贺

　　Congress - n. the organization of people elected to make the laws of the United States (the House of Representatives and the Senate); a similar organization in other countries　议会

　　conservative - n. one who usually supports tradition and opposes great change　保守派

　　constitution - n. the written general laws and ideas that form a nation's system of government 宪法

　　contain - v. to hold; to include　包容

　　container - n. a box, bottle or can used to hold something 容器

　　continent - n. any of the seven great land areas of the world　大陆

　　control - v. to direct; to have power over　控制

　　convention - n. a large meeting for a special purpose　大会

　　cooperate - v. to act or work together　合作

　　court - n. where trials take place; where judges make decisions about law　法院

　　crash - v. to fall violently; to hit with great force　碰撞，坠毁

　　create - v. to make; to give life or form to　创造

　　creature - n. any living being; any animal or human　生物

　　credit - n. an agreement that payments will be made at a later time　信用

　　crew - n. a group of people working together　全体人员

　　crime - n. an act that violates a law　罪行

　　criminal - n. a person who is responsible for a crime　罪犯

　　crisis - n. an extremely important time when something may become much better or worse; a dangerous situation　危机

　　criticize - v. to say what is wrong with something or someone; to condemn; to judge　批评

　　crowd - n. a large number of people gathered in one place　人群

　　crush - v. to damage or destroy by great weight; to defeat completely　压碎

　　curfew - n. an order to people to stay off the streets or to close their businesses　戒严

　　current - n. movement of air, water or electricity 水流，电流; ad. belonging to the present time 目前的 ("She found the report in a current publication.")　

　　custom - n. a long-established belief or activity of a people　习惯，风俗

　　customs - n. taxes on imports　入关税