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a/anart.一，一个，（一类事物中的）任何一个abandonv.放弃，抛弃abatev.减轻,废除abbreviatev.缩写，简略abdomenn.腹部aberranta.异常的，畸变的abidev.遵守，坚持（by）abilityn.能力，智能，才能ablatev.切除ablea.有能力的abnormala.异常的aboardad.在船...上；prep.在（……）上abolishv.取消abolitionn.取消aborticidev堕胎abortionn流产aboundv盛产aboutprep大约aboveprep在…上abradev擦伤abreasta并肩的abroadad国外abrupta突然的abscessn脓肿absencen缺席absenta缺席的absolutea绝对的absolutelyad绝对地absorbv吸收absorptionn吸收abstainv避免，戒，弃权abstemiousa有节制的abstinencen节制abstractn摘要absurda荒唐的abterminala离末端的abundanta丰富的abusev滥用academica学院的academyn专科院校acalcerosisn缺钙acceleratev加速accentn口音acceptv接受acceptablea可接受的acceptancen接受accessn进入accessiblea可进入的accessoryn附件accidentn事件accidentala偶然的acclaimv欢呼accommodatev容纳accommodationn膳宿供应accompanyv伴随accomplicen.共犯accomplishv.完成accordv.一致accordancen.一致accordingad按照accordinglyad.因此accountn.账目accountablea.有责任的accountantn.会计accumulatev.积累accuracyn.精确度accuratea精确的accusev谴责accustomv使习惯accustomeda习惯的cellulara无细胞的achen疼痛achievev完成achievementn完成achlorhydrian胃酸缺乏achroacytosisn淋巴细胞增多achromatopsian色盲acida酸的acidosisn酸中毒acknowledgev承认acknowledgementn承认acnen痤疮acouophonen助听器acoustica声学的acquaintv使认识acquirev取得acquireda获得的acquitv宣告无罪acren英亩acrossad横越actn行动actinn肌动蛋白actionn行动activatea使活动activea活动的activityn活性actorn男演员actressn.女演员actuala.实际的actuallyad.实际地acupuncturen.针刺acutea尖锐的A.D.公元adn广告adaptv使适应adaptationn适应adaptivea适应的addv加上addictv使沉溺addicteda入迷的additionn加法additionala附加的additivea附加的addressn地址adducev引证adenitisn腺炎adenocarcinoman腺癌adepta熟练的adequatea足够的adherev粘附adiposisn肥胖症adjacenta邻近的adjectivea形容词adjunctn附属品adjustv调节adjustmentn调节administerv管理administrationn管理administrativea行政的admirablea令人钦佩的admirationn钦佩admirev钦佩admissionn接纳admitv接纳admonishv告诫adolescenta青春期的adoptv收养adoptionn采用adorev吸附adrenalitisn肾上腺炎adrenomegalyn肾上腺肿adrenopathyn肾上腺病adsorbv吸附adultn成人advancev促进advanceda进步的advantagen优点advantageousa有利的adventn出现adventuren冒险adverbn副词adversaryn对手adversea相反的advertisev通知advertisementn广告advicen忠告advisablea可取的advisev忠告advisorya咨询的advocatev倡议aerobica需氧的aeroplanen飞机afarad远afebrilea无热的affairn事件affectv影响affectionn爱afferenta传入的affiliatev附属affinityn亲和力affirmv断言affirmativea肯定的afflictv使苦恼affluenta丰富的affordv担负得起afraida怕的African非洲Africana非洲的afterprep在…后aftercaren调养aftermathn结果afternoonn下午afterwardad后来aftosan口蹄疫againad再次againstprep对agen年代agencyn代理agendan议事日程agenesisn发育不全agentn代理人aggravatev加剧aggregatev合计aggressivea有进取心的agilea敏捷的agingn老化agitatev搅动agoad以前agonizev折磨axisn轴babyn孩子baby-sitv照看小孩bachelorn学士bacillusn杆菌backn背backachen背痛backbonen脊骨backflown回流backgroundn背景backwardad向后baconn咸肉bacteremian菌血症bacteriala细菌的bactericidala杀菌的bacteriologyn细菌学bacteriumn细菌bada坏的badgen徽章badlyad非常badmintonn羽毛球运动bafflev使挫折bagn背包baggagen行李baitn诱饵bakev烤bakern面包师bakeryn面包房balancen平衡balconyn阳台balda秃的balln球balletn芭蕾舞balloonn气球ballotn投票ballpointn圆珠笔balmn香油bamboon竹bann禁止bananan香蕉bandn带bandagen绷带banditn强盗bangn砰一声banishv放逐bankn银行bankern银行家bankruptn破产者bankruptcyn破产bannern旗banquetn宴会barn棍barbariana野蛮人barbecuen烤肉barbern理发师barbituraten巴比妥盐barea赤裸的barelyad赤裸地bargainv讨价还价bargen驳船barkv咆哮barleyn大麦barnn谷仓barometern气压计barreln桶barrena贫瘠的barricaden路障barriern障碍basen基础baseballn棒球basementn地下室basica基本的basicallyad基本地basicityn碱性basinn盆basisn根据basketn篮子basketballn篮球bastardn私生子bastionn城堡batn球拍batchn一批bathev洗澡bathroomn浴室batonn棍棒battalionn营batterv乱打batteryn电池组battlen战斗bayn海湾BCGn卡介苗bev是beachn海滩beadn小珠beakn鸟嘴beamn横梁beann豆beancurdn豆腐bearv经受beardn胡子bearingn忍受beastn牲畜beatv打beautifula美的beautifullyad出色地beautyn美becauseconj因为beckonv示意becomev成为bedn床bedroomn卧室bedsoren褥疮been蜜蜂beefn牛肉beefsteakn牛排beern啤酒beforeprep在…前beforehandad预先begv乞讨beggarn乞丐beginv开始beginnern初学者beginningn开端behalfn利益behavev表现behaviourn行为behindprep在…后beholdv看见beingn生物belchv打嗝beliefn信仰believev相信belln钟bellowv咆哮bellyn肚bellyachen腹痛bellybuttonn脐belongv属beloveda敬爱的belowprep在…下beltn带benchn长凳bendn弯曲beneathprep在…下beneficiala有益的benefitn利益benevolenta善意的benigna慈祥的benta弯曲的berthn卧铺besetv镶嵌besideprep在…旁边besidesad而且besiegev围攻besotv使沉醉besta最好的bestowv赠与betv赌betrayv背叛bettera较好的betweenprep在…中间beveragen饮料bewarev谨防bewilderv使迷惑bewildermentn迷惑beyondprep在…那边biasn偏见Biblen圣经bibliographyn目录学bicarbonaten碳酸氢盐bicyclen自行车bidv命令biga大的biken自行车bilaterala两边的bilen胆汁biliarya胆汁的billn账单billionn十亿billown巨浪binn垃圾箱bindv绑bingon宾戈binoculara双目的bioactivea生物活性的bioassayn生物鉴定biochemistryn生物化学bioclimatologyn生物气象学bioecologyn生物生态学biographern传记作家biologicala生物的biologistn生物学家biologyn生物学biomedicala生物医学的biometryn生物统计学biopsyn活组织检查biospheren生物圈biostatisticsn生物统计学biosynthesisn生物合成biotica生命的byworkn业余工作cabbagen洋白菜cabinn小木屋cabinetn厨柜cablen缆索cacaon可可cadren干部cafén咖啡cafeterian自助餐厅caffeinen咖啡因cagen鸟笼caken饼calamityn灾害calcemian钙血症calcificationn钙化calcifyv钙化calciprivian钙缺失calciumn钙calculatev计算calculationn计算calendarn日历calfn小牛callv呼叫callousa起老茧的callusn胼胝calma平静的caloryn卡cameln骆驼cameran照像机campn野营campaignn战役camphorn樟脑campusn校园canv能Canadan加拿大Canadiana加拿大的canaln运河cancelv取消cancellationn取消cancellousa网眼状的cancern癌candida公正的candidaten侯选人candlen蜡烛candyn糖果canen茎caninen犬齿cankern溃疡cannonn大炮cannulan套管canoen独木舟canteenn食堂canvasn粗帆布capn便帽capabilityn能力capablea有能力的capacitorn电容器capacityn容量capen海角capillaryn毛细血管capitaln首都capitalismn资本主义capitalistn资本家capsule