常见前缀后缀

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1、前缀表示否定，负态度的前缀：a-:无，不，非acentricamoralasocialasexualatypicalapoliticalasymmetryahistoricaladynamicab-:离去，相反，不abnormalabuseabductablacatationabaxialabsorban-:无，不anonymousanoxiaanechoicanhormonicanelectricanarchismde-:否定，非，相反，除去，取消，毁，离开，向下，降低，减少destructiondemob

2、ilizedecomposedecolonizedesaltdecodedepressdevaluedif-:分开，否定，不diffluencedifferdiffidentdiffusedi,dis-:不，无，相反，取消，除去，毁，分开，离，散disportdispiritdigressdishonestdiscomfortdisagreedisorderdisbelievedisapperdys-:不良，恶，困难dysfunction,dysphonia,dyspepsia,dysgenesisdyspa

3、thyhyper-:超过，过多，太甚hypermilitanthypersensitivehypersexualhyperslowhyersuspicioushypercriticismhyperactiveil-:不，无，非illegalillogicalillimitableilliberalillocalim-:不，无，非impossible,imperfect,impure,impolite,immovable,imbalancein-:不，无，非incorrectinhumaninjusticein

4、formalinsensibleincapableir-:不，无irregularirrationalirrelativeirresolutemal-:恶，不良，失，不maltreatmalpracticemalnutritionmaledictionmalformationmaldevelopmentmalcontentmis-:误，错，恶，不misspellmisreadmisunderstandmispolicymisfortunemistrustmistreatun-:不，无，非，未，取消，除去，弄出

5、unrealunhappyuncleanunfortunateunfriendlyuncomfortableunjustunder-:不足，少underpayunderestimateunderworkunderpopulated表示肯定的前缀：ac/ad/af/ag/ap/ar/as/at/a：表加强，肯定bene-:善，好benevolentbenedictionbeneficentbenefactioneu-:优，善，好eugenicseulogizeeuphemismeuphoniceupepsiae

6、uthenics表示反对，相反的前缀：contra-:反对，相反，相对contra-missilecontraclockwisecontradictcontrapositioncounter-:反对，相反counterrevolutioncounterattackcountermarchcountermovecounterplotanti-:反对，相反，防止antiwarantitankanti-imperialistantiforeignantislaveryantinoiseantifat雅思常见词根表a

7、cu==sharpacute敏锐的；尖锐的acumem敏锐；聪明acupuncture针灸alti==highaltitude高度altimeter高度计exalt提高；提升ambula==walkambulance救护车ambulant流动的ambulate行走、移动ann==yearanniversary周年纪念annual每年的annals编年史anthro==mananthropoid似人类的；类人猿anthropology人类学anthroposociology人类社会学arch==rulermon

8、arch君主anarchism无政府主义patriarch家长、族长aster/astr==starastrology占星术astronomy天文学asterisk星号，星标audi==hearingaudience听众audible听得见的audiphone助听器auto==selfautomation自动化autobiography自传autosuggestion自我暗示bio==lifebio