beam—— A ray or shaft of light光柱，光束=ray
    be characterized by——distinguish
    barren—— Lacking vegetation， especially useful vegetation不毛的=infertile
    balmy—— Mild and pleasant温和的=mild
    comprise—— To consist of； be composed of由…构成=consist of ，make up
    conception—— Something conceived in the mind； a concept， plan， design， idea， or thought概念、计划、设计或思想=notion A mental image or representation； an idea or conception心理形象或象征；想法或构思
    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
    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
    confederacy——A union of persons， parties， or states； a league联盟=ally One that is allied with another， especially by treaty同盟者
    conceal——To keep from being seen， found， observed， or discovered； hide隐藏=hide
    dramatically——Arresting or forceful in appearance or effect引人注目的=striking
    durable——Lasting； stable持久的；稳定的=lasting
    domains——[计]域=fields
    domestic——Tame or domesticated. Used of animals驯养的=tame
    dominate——To enjoy a commanding， controlling position in占支配地位=be prevalent in
    divergence——Difference， as of opinion意见分歧difference
    diverse——Made up of distinct characteristics， qualities， or elements多种多样的=various
    dogma——An authoritative principle， belief， or statement of ideas or opinion， especially one considered to be absolutely true信条=belief
    distinction——The condition or fact of being dissimilar or distinct； difference差别=difference