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1、一、前缀a-(not,without)不，无acaudateadj.[动]没有尾巴的caudateadj.[动]有尾的,有尾状附属物的acentricadj.无中心的,离心的centricadj.中心的,中央的ambi-(around,both)周围，双方ambiancen.周围环境,气氛ambilateraladj.双方面的ambitendencyn.正反意向并存amphi-(two)两，双amphiastern.双星体,双星型amphicarn.水陆两用车ante-(before)在…之前antedaten.比正确日期早的日期v.提早日期,居先antehalln.前厅anti-(ag
2、ainst)反，排斥antianxietyadj.抗焦虑的,防止(或消除)精神不安的antibacterialadj.抗菌的n.抗菌药bene-(good)好，善benefitn.利益,好处vt.有益于,有助于vi.受益bi-(two,twice,double)二，双，倍biangularadj.双角的by-(near,nextinrankto)旁，副，次要bylawn.次要法规,(社,团制定的)规章制度byproductn.副产品cent-(hundred)百circum-(around)在…周围，环绕circumglobaladj.围绕地球旋转的,环地的com-(together,v
3、ery)共同，一起或加强意义compartvt.分隔contra-/counter-(against)反对，抗contracyclicaladj.反经济周期的contradictor反驳者；相矛盾的人；抵触者counteractvt.抵消,中和,阻碍de-(not,away,down)非，相反，离开，降低deactivatevt.解除动员,使无效,复员,使不活动dec-/dect-/deca-(ten)十decagonaladj.十边形的demi-(half)半demicircularadj.半圆(形)的di-/dicho-(two)二dibutyladj.[化]二丁基的dichotom
4、yn.两分,二分法,分裂dia-(across)贯通，横过dis-(not,away,apart)不，相反，除去，分离du-/duo-(two)二dys-(bad,abnormal)坏的，反常的endo-(inside,in)内，在内ennea-(nine)九eu-(good)优，好ex-(former,out)从前的，前任的，在…外extra-/extro-(outside,over)在…外，超过exo-(outside)外，外部fore-(before)前，先hecto-(hundred)百hemi-(half)半hepta-(seven)七hexa-(six)六holo-(whol
5、e)全homo-(same)相同hyper-(above,over)在…之上，超出hypo-(below)低，次，下in-（not，inside）不，在…内infra-（below）在下，低inter-（between）在…之间intra-（intro，inside）在…内，入内iso-（equal,same）等同，均匀kilo-(thousand)千macro-(great)大，宏mal-(bad)坏，恶micro-(small)小，微mill-(thousand)千mini-(small)小mis-(wrong,bad,not)错，恶，不mono-(single)单，一multi-(
6、many)多neo-(new,lately)新的，新近地non-(not)不，无，非nov-/non(none)九ob-(against)反，倒oct-(eight)八olig-(few)少omni-(all)全，总，泛out-(above,out)超出，过over-(above)超，在…上pan-(all)全，总，泛para-(by,near)近，旁penta-(five)五per-(through,thorough)贯穿，完全peri-(around)周围post-(after)在…之后poly-(many)多pre-(before,forward)在…前，预先pro-(forwar
7、ds,supporting,takeplaceof)向前，代替proto-(beginning)最初的，第一的pseu-(false)假的，伪quadr-/quart-(four)四quint-(five)五re-(again,back,against)又，后，回，反对retro-(back(wards))后，向后se-(away,apart)离开，分开semi-(half)半sept-(seven)七sex-(six)六sub-(
