考研英语词汇常考前缀

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1、aero-：concerningtheairofaircraft　　plane—aeroplane　　space—aerospace　　anti-：against;oppositeof　　nuclear—antinuclear　　matter—antimatter　　war—antiwar　　auto-：oforbyoneself　　biography—autobiography　　criticism—autocriticism　　be-：totreatasthestatedthing　　friend—befriend　　little—be

2、little　　bi-：two;twice;double　　lingual—bilingual　　cycle—bicycle　　bio-：concerninglivingthings　　chemistry—biochemistry　　sphere—biosphere　　by-，bye-：lessimportant　　produce—by-produce　　way—byway　　centi-：hundredthpart　　grade—centigrade　　meter—centimeter　　co-：together，with　　author

3、—coauthor　　exist—coexist　　col-：(usedbeforel)together，with　　location—collocation　　com-：(usedbeforeb，m，p)together，with　　passion—compassion　　con-：together，with　　centric—concentric　　federation—confederation　　contra-：opposite　　diction—contradiction　　natural—contranatural　　cor-：

4、(usedbeforer)together，with　　relate—correlate　　respond—correspond　　counter-：opposite　　act—counteract　　attack—counterattack　　cross-：across;goingbetweenthestatedthingsandjoiningthem　　country—crosscountry　　breed—crossbreed医.学全,在.线,提供www.med126.com　　de-：showinganopposite;toremo

5、ve;toreduce　　code—decode　　value—devalue　　dis-：not;theoppositeof　　advantage—disadvantage　　agree—disagree　　honest—dishonest　　em-：(usedbeforeb，m，p)tocausetobecome　　body—embody　　power—empower　　en-：tocausetobecome;tomake　　danger—endanger　　large—enlarge　　ex-：former(andstilllivin

6、g)　　minister—ex-minister　　wife—ex-wife　　extra-：outside;beyond　　curricular—extracurricular　　ordinary—extraordinary　　fore-：inadvance，before;inoratthefront　　arm—forearm　　warn—forewarn　　il-：(usedbeforel)not　　legal—illegal　　literate—illiterate　　im-：(usedbeforeb，m，p)not　　moral—i

7、mmoral　　possible—impossible　　in-：not　　direct—indirect　　sensitive—insensitive　　infra-：belowinarange;beyond　　red—infrared　　structure——infrastructure　　inter-：between;among　　change——interchange　　national——international　　intra-：inside，within;into　　city——intracity　　department——i

8、ntra-department　　ir-：(usedbeforer)not　　regular——irregular　　responsible——irresponsible　　ki