comparable— Similar or equivalent 相似或相当 =similar

compile— To put together or compose from materials gathered from several sources 汇编=put together

community— Society as a whole; the public 作为整体的社会;大众。Asgroupsof plants and animals living and interacting with one another in a specific region under relatively similar environmental conditions 共生动物群的一群植物和动物 =settlement,society

commodity— Something useful that can be turned to commercial or other advantage 商品 =goods

coincide— To happen at the same time or during the same period 同时发生=occur at the same time

cohesion— The act， process， or condition of cohering 结合=unity The combination or arrangement of partssintosa whole; unification统一

cluster— To gather or growsintosbunches 丛生=concentrate

classify— To arrange or organize according to class or category 分类=categorize

cling to — v.依附，依靠，坚持=stick to

cite — To mention or bring forward as support， illustration， or proof 引证把…作为支持、说明或证明而提及或提出=mention

check —monitor To check the quality or content of (an electronic audio or visual signal) by means of a receiver 监听，收听;To check by means of an electronic receiver for significant content， such as military,political,or illegal activity 窃听

celestial— Of or relating to the sky or the heavens 天空的=astronomical

cease— To put an end to; discontinue 使…停止;中止=stop

capability— The quality of being capable; ability 能力=ability

cumbersome — Troublesome or onerous 麻烦的=burdensome

crisscross— To move back and forth through or over 交叉移动move back and forth

crawl— To move slowly on the hands and knees or by dragging the body along the ground; creep 爬行=creep

counterpart— A copy or duplicate of a legal paper 复制品=version An adaptation of a work of art or literaturesintosanother medium or style 版本

counteract— To oppose and mitigate the effects of by contrary action; check 抵制，抵消=negate

core — The basic or most important part; the essence 核心，本质=center

conventional— Conforming to established practice or accepted standards; traditional 传统的=traditional

contribute to — v.捐献=donate To present as a gift to a fund or cause; contribute 捐赠

consumption—The act or process of consuming 消耗=eating

constrain—To keep within close bounds; confine 限制=bound To set a limit to; confine 限制

constitute—To found (an institution， for example) 创建=make up

constituent—Serving as part of a whole; component 组成的=component

constantly—Continually occurring; persistently 持续的=continuously

conspicuous—Attracting attention， as by being unusual or remarkable; noticeable 值得注意的=noticeable

consort with —v.陪伴=associate To keep company 陪伴

conserve—To protect from loss or harm; preserve 保存，保护=retain vt. 留住;保住

consequence—Something that logically or naturally follows from an action or condition 结果=result

conjecture—A statement， an opinion， or a conclusion based on guesswork 猜想=based on guessing

congestion—To be overfilled or overcrowded 堵塞=overcrowded， crowded

conflicting—To be opposing; different 对立的，不同的=opposing， contrary

confront—To come face to face with， especially with defiance or hostility 面对与…面对面的=face To confront with complete awareness 面对

confine to —To keep within bounds; restrict 限制=limit， cramp Restrict; narrow 受限制