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1、英語常用前綴、后綴和詞根2011/9USST20PartI前綴前綴改變?cè)~義1.a,ab,ac,ad,ag,al,ap,ar,as,at=to,at,for表示加強(qiáng)、附加、增加、方向、變化、完成abandon=a+ban(禁止)+onvt.放棄Theyhadtoabandontheship.abbreviate=ab(to)+brev(brief)vt.縮短,縮寫accept=ac+cept(totake取)vt.接受achieve=a+chieve(chief)vt.獲得,取得acquire=ac+quire(toseek追求)v.獲得(知識(shí)、技能)cf
2、.inquire=in+quirev.探問require=re+quirevt.要求admire=ad+mire(towonder←miracle)v.贊賞,敬仰→admirable,admireradvance=adv+ance(before先前)vi.前進(jìn)aggressive=ag+gress(towalk行走)+iveadj.有侵略性的→aggressionn.侵略aloud=a+loudadv.大聲地allocate=al+locate(toplace定位)v.分配,指派apply=ap+ply(tofold)vt.應(yīng)用,申請(qǐng)arise=a+ri
3、sev.出現(xiàn),產(chǎn)生Newproblemsariseonebyone.arouse=a+rouse(rise)vt.喚醒Theorangecolorcanarouseappetite.cf.Raiseupyourhands!Thesunhasrisenup.arrange=ar+range(torank排位)vt.安排,整理arrest=ar+re(back)+st(tostand)vt.逮捕attract=at+tract(todraw拉,拽)vt.吸引await=a+waitvt.等待~sbawake=a+wakevt.喚醒~thesleepingli
4、on2.ab,abs,ad=off,away.from離開,避開abnormal=ab+normaladj.反常的abortion=a+bor(tobeborn)+tionn.墮胎absorb=ab+sorb(tosuckup吸吮)v.吸收,吸取abuse=ab+usevt.濫用abrupt=ab+ruptadj.突然的abstract=abs+tractadj.抽象的n.摘要abundant=ab+und(bound束縛)+antadj.豐富的3.anti=against,oppositeto(與pro-相反)anti-abortionistn.反墮胎
5、者anti-communistadj.反共的anti-Japaneseadj.the~War抗日戰(zhàn)爭anti-socialyoungmen反社會(huì)的年輕人4.bene=good,wellbenefit=bene+fit(=fact=do)做好事→vt.有益于beneficialadj.有益的benevolent=bene+vol(wish)+entadj.慈善的bonusn.獎(jiǎng)金,紅利(英語中的better,best與此詞根有關(guān))5.bi=double,two成雙的,兩個(gè)的bicycle=bi+cycle(圈)n.雙輪車→自行車bilingual=bi+l
6、ingua(language語言)adj.雙語的bimonthly=bi+month+lyadj.雙月的n.雙月刊biweekly=bi+week+lyadj.雙周的n.雙周刊6.dua,duo=double,twodoubleadj.雙重的,v.使加倍doubt=beoftwominds(二心不定)vt.,n.懷疑dozen=do(du)+zen(ten)=2+10=12n.一打dual=du+al(形容詞詞尾)adj.二重的,兩層的Shehasdualnationality.雙重國籍dueln.決斗duetn.二重唱,二重奏Theyplayedadu
7、et.7.twi=twotwiceadj.兩次twilight=lightbetweendayandnightn.清晨;黃昏twinn.雙生子twist=兩股繩子絞在一起v.扭曲,纏卷8.tri=threetrianglen.三角triben.部落tricyclen.三輪車triplev.使成三倍n.三倍的Theproductiontripled.9.qua,quadr=fourquarter→一小時(shí)的四分之一=一刻鐘quartetn.四重奏quarterlyn.季刊10.circum=around,roundaboutcirclen.圓圈circula
8、tevi.流通20circularadj.循環(huán)的circuitn.一圈,一周;電