-.z.專業四級常用前綴、后綴及詞根1.常用前綴（49個）anti-反、抗、對立antisocial,antibody;auto-自己/動的autobiography,autonomous;be-使得、視作bee,belittle;bi-兩，雙面bilingual,bimonthly;centi-百century,centigrade;co-共同，聯合coordinate,cooperate;con-,col-,-,cor-與、和、共、全colleague,bination,conform,coordinate;contra-相反、針對contradiction,contrary;counter-反、逆對、等counteract,counterpartde-取消、脫離、向下decline,departure;dis-否定、除去discriminate,disorder;en(m)-使成為、使進入enable,enclose;""e*-向外、出自、超出、離開e*ceed,e*cludee*tra-越出、超過e*traordinary,e*treme;fore-前面、預先forehead,forecast;in(m)-,il-,ir-不，無，非illegal,important;in-在……里，內部inclusive,indoor;inter-互相、在……中間interaction,intervene;intra(o)-內部、向內introduce,introvertmacro-大的、宏觀的macroeconomics;mal-壞、惡、不良maltreat,malnutritionmicro-微小的、微量的microphone,microwave;mid-中部、當中midland,midwife;mini-極小的、極短的minibus,minimum;mis-錯、不當、相反misery,mismatchmono-一、單一的monotonous,monopoly;multi-多倍的multiple,multitude;non-非、無、不nonsense,non-stop;out-超出、在外outstanding,outlive;over-在上面、越過overwhelming,overtake;poly-多，眾polysyllable,polytechnic;post-后postgraduate,postpone;pre-預先、前precedence,predominant;psudo-偽、假、擬pseudonym,pseudoscience;re-又、再、往后replace,replenish;semi-半、部分的semiconductor,semisphere;sub-下一級、次要subordinate,substitutesuper-上方的、超過的superfluous,supervisor;tele-遠的、遠距離telephone,telescopetherm(o)-熱、熱電的thermos,thermometer;trans-橫越、通過transplant,transmit;tri-三、三次tricycle,triangle,triple;""""ultra-在……之外、極端、過分ultraviolet,ultrasonic;un-不、非、相反unknown,unsay;uni-單、一uniform,unity,universal;vice-代替、代理、付vice-president,vice-principal.2.常用后綴（63個）1）n.后綴（33個）-age狀態、行為、集合shortage,baggage;-al動作、人、事物refusal,professional-ance,-ence狀態、性質、行為entrance,reliance,correspondence;-ant,-ent人，物inhabitant,pollutant;"-ar,-er,-or人banker,scholar,sailor;-ery,-ary,-ory,-ry人、地點、學科、集合secretary,library,history,shrubbery,scenery;-dom*圍、狀態kingdom,freedom;-ee動作的承受者refugee,referee;-eer從事……的人engineer;-ese*國的人、預言Japanese;-ess女性hostess,actress;-hood狀況livelihood,neighborhood;-ian人magician,physician;"-ics學科linguistics,athletics;-(s)ion,-(a)tion狀況、行為presentation,intuition;-ism主義materialism,optimism;-ist主義者dentist,Buddhist-th結果、過程length,warmth;-(i)ty多抽象名詞的性質、狀態ability,loyalty;-ment行為、狀態、性質enjoyment,argument,government,payment;-ness性質、狀態sickness,blindness;-ology學科psychology,physiology;-ship性質、狀況、狀態hardship,leadership;-ure性質、狀況、狀態pleasure,pressure;2）v.后綴（7個）-ate使……irritate,originate;-ize,-ise,-yze,-yse……化modernize,normalize,analyze;-en使……變成sharpen,hasten,lengthen;-ify使……成，使……化simplify,amplify,diversify;3）adj.后綴（20個）-able,-ible能（為）……的sensible,permissible;-al具有……性質的ignorant,consistent,passionate,fortunate;-ary,-ory與……相關的imaginary,obligatory;-ed有……的wooded,pleased;-en有……質的，似……的wooden,golden;-free免于……的carefree,duty-free;-ic(al)類似……的，具有……的poetic,energetic;-ful充滿……的cheerful,faithful;-ive表傾向，關系，特征collective,destructive;-ish似……的childish,selfish,foolish;-less沒……的shameless,fearless;-like似……的womanlike,warlike;-ly有……特征的roughly,leisurely;-ous充滿……的dangerous,precious;-some有……性質的burdensome,lonesome;-ward表舉止、方向awkward,eastward;-y狀態、性質、行為sunny,thirsty;4）adv.后綴（3個）-ward(s)方向straightforward;"-ly……地（狀態、、性質、方式）consequently;-wise方向、位置likewise,counter-clockwise;3.常用詞干（68個）ag,act做agent,active;aster,astro星disaster,astronomy;audi聽audience,audio-visual(AV);cap,cept,ceive拿、取capture,receive;bio生命biochemist,antibiotic;cede,ceed,cess行、移動procedure,successive;cide,cis切，殺suicide,decision;clued,clus閉合include,e*clusion;cur,curr跑occur,currency;cred相信creditor,incredible;cycle圓、環bicycle,recycle;fac,fic,fect,fact做、制affect,fiction,infect;dict,dic說dictionary,indication;duct,duc引導educate,conduct,prouuce;fer運送、帶transfer,conference;flect,fle*彎、曲reflect,fle*ible;flu流fluid,influence,fluent;gen起源、種類、人種intelligence,generation;geo地球、土地geography,geometry;"grad,gress走gradual,aggressive;gram寫、記錄grammar,telegram;graph寫、記錄;photo光photograph;ject投、擲、拋reject,project,injection;med中間immediately,medium;lect,leg挑選、采集、讀elect,collect,legend;mob,mot,mov移動automobile,promotemani,manu手manual,manipulate;miss,mit送、派、放開transmit,permit;pel推、逐e*pel,propeller;pend懸掛indispensable,suspend;phon聲microphone,phoney;pon,pos放置postpone,pose;port搬運、帶transport,portable;ru