commentator
commentator /ˈkɔmenteitə/n. [c]评论员，注释者；实况广播员：sports commentator体育评论员Political commentators are predicting that the minister will have to resign.政治评论员预言···
commerce
commerce/kəˈmə:s/n.［u］商业，贸易：carry on commerce with…与…通商；foreign commerce对外贸易；open commerce with neighbouring countries与邻国通商；air(sea ) commerce航空通商（···
commercial/commercialism
commercial/kəˈmə:ʃəl/ I.adj.商业的，以营利为目的的：commercial laws商法；in the commercial world在商界；a commercial college商学院；a commercial counsellor商务参赞; commercial···
commission/commissioner
commission/kəˈmiʃən/n.［c］&［u］1.委托；委任状：carry out a commission执行使命；receive a commission to take charge of the school受命负责这所学校；go to America with a com···
commit/committed/commitment
commit/kəˈmit/vt.1.干(错事)，犯(罪)：commit an error犯错误；commit many horrible crimes against…对…犯下许多令人发指的罪行2.把…交托给，把…押交，把…判处：commit a prisoner for···
committee
committee/kəˈmiti/n.［c］委员会: appoint a committee of inquiry任命一个调查委员会；appoint a committee to deal with the subject任命一个委员会处理这个问题；call in a committee to ···
commodity
commodity/kəˈmɔditi/n.［c］商品，货物：a commodities fair商品展销会Tea as a commodity is sold abroad.茶作为商品销往国外。Groceries are commodities.杂货意即商品。
common
common/ˈkɔmən/adj.1.普通的，一般的，平凡的：the common people老百姓；common knowledge常识2.共同的：use a common language用共同的语言in common共同，共用：The two brothers have li···
commonplace
commonplace/ˈkɔmənpleis/ I.adj.普通的，平凡的：a commonplace computer随处可见的电脑‖II.n.［c］寻常的事物，常见的事物：Mobile phone is now a commonplace.移动电话现在很常见。
commonwealth
commonwealth/ˈkɔmənwelθ/n.［c］1.英联邦：the British Commonwealth of Nations英联邦2.联邦，联合体：the Commonwealth of Australia澳大利亚联邦; the Commonwealth of Independent Sta···
