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1、常见的前缀：under-:①belowundercharge索价低，undercoat底漆,underclothing内衣类,underdone半熟的，嫩的,undercurrent暗流②insufficientundermanned人员不足的,undernourished营养不良的,underpaid工资过低的underplay贬低…的重要性，对…轻描淡写的anti-=against反，对立antibody抗体anticraft防空dis-:todotheopposite,reversediscover,dissuade,disadvantage,discharge
2、de-=(formingverbsandtheirderivatives)down;away［构成动词及其派生词］“向下”，“在远处”debase[base=low]v.贬低，贬值debris[bris=break]n.残骸，垃圾，碎片，岩屑decay[cay=fall]v./n.衰落，衰退，腐烂decease[cease=go]v./n.死亡decide[cide=cut]v.决定，决心despise[spise=look]v.轻视，蔑视detonate[ton=thunder]v.（使）爆炸devour[vour=eat]v.吞食，毁灭micro-:extreme
3、lysmallmicrocomputer,microscope,microphone,microsurgery常见的后缀：-fy:tocausesb./sth.tobecomeidentify—identification,modify—modification,purify—purification,beautify—beautification-ist:①=“人”feminist(n.)女权主义者;naturalist(n.)自然主义者;dentist(n.)牙医;pianist(n.)钢琴师-ist:②=“…主义的”capitalist(a.)资本家的;mate
4、rialist(a.)唯物主义的;socialist(a.)社会主义的-ent=“具有…性质的”，用于构成形容词insistent(a.)坚持的;obedient(a.)服从的;prevalent(a.)流行的-ent=“人”correspondent(n.)通信者;president(n.)总统;resident(n.)居民–logy,-ology=studyof,scienceofanthropology,chronology,morphology,mythology,philology,psychology常见的词根：Chapter1alter,altru,ul
5、ter=otheralter改变；alternate交替，轮换；alternative两者选一；altruism利他主义pel,pell,puls=drive,beat,push驱，推，逐expel驱逐；除名;impel驱使;dispel驱散repel击退;repellent驱散剂compulsive不由自主的;compulsion冲动;compulsory规定的cid,cis=tocut切，杀8suicide自杀;insecticide杀虫剂;pesticide农药;concise简明的;precision精密vert,vers=toturndivert转向;rev
6、ert恢复原状;introvert性格内向的;extrovert性格外向的;traverse横跨;reverse逆转;diversify多样化;aversion厌恶;adverse有敌意的；advertise广告Chapter2log=tospeak说monologue独白;trilogy三部曲;prologue前言;analogy类比;eulogy颂歌;catalogue目录;apologize道歉，辩解tend,tent,tens=tostretch,spreadcontend竞争;intend意向;intensive集约的，强化的;content内容，满足;te
7、ndency倾向;tension张力;hypertension高血压;attendance出席luc,lumin,lustr,lux=light,shine光，照lucent透明的;translucent半透明的;lucid清澈的;illuminate阐明，照明;illustrate说明;luminary发光体，名人fug=toflee,escape逃，散fugitive逃亡的（者）;refugee难民;centrifuge离心;centrifugal离心的Chapter3part,parc,port=divide,partpartly;partit
