常见前缀

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常见前缀

*前缀多改变单词词义*

前:

1. pre-(pri,pur)

predict,preceding,preface,prejudice,prescribe,priority,purpose

2. pro

progress,project,proceed,process,produce,professor,promote,prospect,propose

3. fore

forehead,forecast

后(回):

1.post

postpone,postscript,postgraduate

2.Re

react,reduce,refuse,reject,return,recall

上:

1.super-(sur,)

superficial,superior,supervise,surface,surrender,survey,survive

2. over-(上,过度,覆盖)

overcoat ,overcome ,overdo ,overlook ,overhead ,overnight,overtake

下:

1.sub-(suc,sus)

subject ,submarine ,submerge ,submit ,subscribe ,subsequent,substance,substantial,substitute,subtract,suburb,subway,succeed,successive,suspect,suspend,sustain

2.de

decide,debate,decrease,deduce,define,definition,depress,descend,describe,destruction

3.under

undergo,underground ,undergraduate ,underline ,underlie,undermine,undertake,understand

否定:

1.un

unlike,unable,unusual,unload,unknown,unexpected 2. dis

dislike ,disagree ,disappear ,disadvantage ,discard ,discharge,discourage,discover,distribute

2.im

impossible,immediate

3.in

independent,inevitable,infinite,innocent

5. ab-反

abnormal

6. non

non-smoking

7. anti-反,抗

antibiotic

一起:

1. co

cooperate

2. com

combination,comment,company,compose,compress 4.con

contest,confess,congress,confuse,consist,contribute 4. syn-(sym,sy)

sympathy,sympathize,sympathetic,synthetic,system

ex-(有时作e)外,出

exceed,exceedingly,except,excess,excessive,exclaim,exclude,excursion,exit,expect,export,exterior,external,extend,extent,express;elect,erect,evolve

in,im-里,入

immigrant,import,impress,income,include,internal,interior,indoors,injection,inner,input,insert,inspect semi-半

semifinal,semiconductor

trans-转换

transfer, transport, transmit, transform, translate, transparent,

tri-三

triangle, tricycle

bi-两

bicycle

uni-一

unique, uniform, union, unity, universe

per-贯穿,全

perfect ,perceive ,perform ,persist ,permanent ,perspective,persuade

inter-在…之间

interaction,interfere,intermediate,interrupt,interval,interview,international

常见后缀

*后缀多改变单词词性*

形容词后缀

1.-able(ible)能

visible, enable, probable ,applicable ,liable ,remarkable ,available ,reasonable

considerable,preferable,miserable ,advisable ,inevitable ,acceptable ,comfortable ,

stable ,responsible

2.-ous

dangerous,anxious,conscious,continuous,curious,delicious,enormous,furious,famous,gaseous,generous,glorious,gracious,humorous,jealous,marvelous,mysterious,nervous,numerous,obvious,poisonous,precious,previous,prosperous,religious,