最常用的英语词缀优质PPT.ppt

最常用的英语词缀优质PPT.ppt

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英语中最常用词缀AffixesMostFrequentlyUsedinEnglishnAnaffix（词缀）isaletterorgroupofletters,forexampleun-or-y,whichisaddedtoeitherthebeginningortheendofawordinordertoformadifferentword.nAnaffixincludesprefix（addedtothebeginningoftheword,前缀）andsuffix（addedtotheendoftheword,后缀）.nWhenaprefixisaddedtoaword,thewordoftenhasanewmeaning.Forexample,unhappy,dishonest,incredible.nWhenasuffixisattachedtoaword,thewordoftenhasanewpartofspeech（词性）.Forexample,friendly,quickly.前缀1.mono-（在元音前为mon-）uni-（在元音前为un-）:

@#@one,single一，单arch统治者monarchn.君主monarchyn.君主制gam婚姻monogamyn.一夫一妻制logue说话monologuen.独白ton声音monotonousa.单调的-life/rhythmgraph写monographn.专著oxide氧化物monoxiden.一氧化物carbon-poly卖monopolyn.垄断monopolizev.垄断-themarketn一、表示数量的前缀（prefixesindicatingfigures）nuni-nChinaUnicom/Mobile/Telecomnunifyv.使统一unifyacountrynunificationn.统一nuniquea.独一无二的，独特的（auniquestamp）nunityn.一体familyunity家庭和睦nform形式uniforma.一致的；@#@n.制服nbricksofuniformsize大小一样的砖npoliceuniform警服nschooluniform校服nlateral边unilateral单边的aunilateraldecision单方面的决定n2.bi-,di-,ambi-：

@#@twoncycle圈，环bicycle,bicyclist,gocycling,cyclistnlateral边bilateralagreement/treatynmonthlya.一月一次的，n.月刊nbimonthlya.两月一次的，n.双月刊nlingual语言bilingualeducation双语教育nenn年biennialconference两年一次的会议nann年biannual一年两次的abiannualeventngam婚姻bigamist重婚者ndi-noxide氧化物dioxiden.二氧化物carbondioxide二氧化碳nlemma见解，主张dilemman.进退两难的窘境nHewasfacedwiththedilemmaofwhetherornottoreturntohiscountry.nambi-nval价值ambivalenta.心情矛盾的（既爱又恨的）nambivalencen.心情矛盾Sheremainedambivalentabouthermarriage.gu引导ambiguousa.模棱两可的anambiguousanswerambiguityn.模棱两可n3.tri-:

@#@threenangle角triangle三角形agirlinlovetrianglewithTomandJacktriangular三角形的ncycle圈，环tricycle三轮车ntriplea.三倍的triplejump三级跳nv.增加三倍Thecompanytripleditsprofitslastyear.nlateral边trilateral三边的n4.quadri-（元音前为quadr-）:

@#@fournquadrangle四角形nquadrennial四年一次的thequadrennialOlympicGamesnquarterlyn5.deca-:

@#@tendeci-:

@#@one-tenthndecade十年threedecadesnThepastthreedecadeshavewitnessedahugechangeinChinesesociety.ndecimetern.分米ndecibeln.分贝nn6.centi-（元音前为cent-）：

@#@onehundred（th）ngrade级，度centigrade百度制，摄氏npede足centipede蜈蚣ncentimeter厘米ncenturypercentncentennial百年的ThecentennialOlympicswasheldinAtlanta.n7.kilo-,milli-（元音前为mill-）:

@#@onethousand（th）nmeter米kilometer千米，公里kmngram克kilogram公斤kgnwatt瓦特kilowatt千瓦nvolt伏特kilovolt千伏ncalorie卡路里kilocalorie千卡nmilligram毫克nmillimeter毫米nmillennial千年的millennium千年nManypeoplerefertotheyear2000astheMillennium.n8.mega-（元音前为meg-）兆nhertz赫兹megahertz兆赫nbit比特，字节megabit兆比特128mb二、表示空间方位的前缀（prefixesindicatingspatialposition）n1.上over-,super-,sur-,nover-在上noveralla.总体的，全面的n-improvementinthemanagementnovercomev.克服-thedifficultiesnoverflowv.溢满Theriveroverflewitsbank.noverheada./ad.anlightnAplaneflewoverhead.noverlapv.重叠overlappinginvestmentnoverlookv.忽视Suchmistakeisoftenoverlooked.n俯视overlookthewholecitynoverpassn.天桥apedestrianoverpass人行天桥n注：

@#@nover-还有excessive（“过度的”）意思noverworkv.劳累过度nThefarmerworkersareoverworkedbutunderpaid.noversleepv.睡过头Hewaslateforworkbecauseofoversleeping.noveremphasizev.过分强调nTheimportanceoflearningEnglishcanneverbeoveremphasized.noverestimatev.高估underestimatev.低估nsuper-在上，超过nstructure结构superstructure上层建筑nvise看supervise监督nsuperficiala.肤浅的Ihaveonlya-knowledgeoflaw.nsuperiorn./a.上级（的）myimmediate-我的顶头上司nHeworkswellwiththose-tohiminthecompany.nsuperiorityn.优越性complex优越感inferioritycomplex自卑感nsupermann.超人nsupermarketn.nsuperstarn.nsonic音的supersonica.超音速的a-planensupernaturala.超自然的forces/powers/eventsnsur-在上，超nface面surface表面theoftheearthnname名surname姓（=familyname,lastname）npass过surpass超过onesexpectationsnplus加surplusa.剩余的value剩余价值nn.顺差trade贸易顺差n2.下sub-,under-,nsub-：

@#@undernsubwayn.地铁（英国人用underground）nmarine海洋的submarinen.潜艇nconscious有意的subconsciousn./a.潜意识（的）nstandard标准的substandarda.低于标准的（nonstandarda.不标准的）nscribe写subscribe订阅toamagazinenmerge融合submergev.淹没besubmergedbythefloodnsubmitvi.屈服submittosb.nvt.提交submitareporttosb.nsubordinatea.下级的；@#@从属的nsubstituten.代替者aforsb./sth.nv.代替Hesubstitutedfortheinjuredplayer.nsubtractv.减去Subtract3from9andyouhave6.n（加add;@#@乘multiply；@#@除divide）nsuburbn.郊区intheofthecityn（同义词outskirts，但是搭配的介词不同ontheoutskirtsofthecity）nunder-在下；@#@不足nunderlinevt.在下面划线theunderlinedwordsnunderdeveloped不发达的countries不发达国家欠发达国家lessdevelopedcountriesnundergraduaten.本科生nundergovt.经历，遭受amajoroperationnunderlyinga.潜在的anmeaning内在的含义nunderminevt.暗中破坏shetriedtoourfriendship.nundertakevt.承担theimpossiblemissionnunderwearn.内衣，衬衣nunderneathprep.在下面putyournametheaddress.n3.前fore-,pre-,pro-cast投forecastn./v.预测，预报weather,thefuturetell告诉foretellv.预言foretellthefuturesee看见foreseev.预见，先见foresightn.先见forem