composed of ——To create or produce （a literary or musical piece）创作或制作=create
　　 component—— A constituent element， as of a system组成要素=element， part
　　 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