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