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aart.一(个),每一(个)Iworkeighthoursaday.我一天工作八小时。Asquarehasfoursides.正方形有四条边。Heisateacher.他是个老师。abandonvt.丢弃,放弃,抛弃Iwasobligedtoabandonthatidea.我不得不放弃那个想法。Heabandonedhiswife.他遗弃了他的妻子。abilityn.能力,能耐,本领Hehastheabilitytodohisjobwell.他有力干好他的工作。Anemployershouldappraisetheabilityofhisemployees.雇主应该能够鉴定员工的能力。Birdshavetheinbornabilitytofly.鸟生来就会飞。ablea.有能力的,出色的Ishallbeabletogotomorrow.明天我能去。Heisanableman.他是一个能干的人。aboardad.在船(车)上,上船Jackhasgoneaboardtheplane.杰克已上飞机了。aboutprep.关于,在…周围Tellmesomethingaboutyourtrip.说说你旅游的情况吧。Somethingunusualisabouttohappen.某种不寻常的事即将发生。aboveprep.在…上面,高于Aboveall,IloveMarkTwain.首先，我喜欢马克吐温。Ourplaneisflyingabovetheclouds.我们的飞机在云层上飞行。abroadad.(在)国外,到处Heisdeterminedtogoabroadtopursuehisfurtherstudy.他下定决心出国留学。HewentabroadtopreachChristianitytotheheathen.他到国外去向异教徒宣传基督教。WhenUncleBillwentabroadtolive,heleftmehiswatchasasouvenir.比尔叔叔出国时把表留给我作为纪念品。He'sneverbeenabroad.他从未到国外去过。absencen.缺席,不在场,缺乏Hewasalwaysabsenceinhismind.他总是心不在焉。absenta.不在场的,缺乏的Heisabsentfromthemeeting.他今天开会缺席。Threewitnessesgavetestimonythathewasabsentatthattime.三名证人作证说在那个时候他没有来。Shehasbeenabsentfromschoolforseveraldays.她已经好几天没来学校了。absolutea.绝对的,纯粹的Itisanabsolutefact.这是一个无疑的事实。absorbvt.吸收,使专心Ablotterabsorbsink.吸墨纸会吸水。Heisabsorbedinhisbook.他专心读书。abstracta.抽象的n.摘要Beautyisabstract.美是很抽象的。Heisnotintheleastinterestedinabstractart.他对抽象派艺术毫无兴趣。abundanta.丰富的,大量的Anabundantharvestisinprospect.丰收在望。Theriverisabundantinfish.河里有很多雨。abusevt.滥用,虐待n.滥用Youcan'tabuseyourpower.你不能滥用权力。Heabusedhiskids.他虐待小孩.academica.学院的,学术的It'sanacademictranscript.这是学生成绩报告单。Theacademicyearisdividedintotwoterms.一学年分成两学期。Agoodhistorianmusthaveanacademicmind.出色的历史学家必须有学术头脑。academyn.私立中学,专科院校OurprofessorisanacademicianoftheScienceAcademy.我们的教授是科学院的院士。acceleratevt.(使)加快,促进Hedecidedtoacceleratehisoutput.他决定增加产量。accentn.口音,腔调,重音Hespeakswithastrongsouthernaccent.他说话带有很浓的南方口音。Hisaccentrepelsme.他说话的腔调使我厌烦。acceptvt.vi.接受,同意Idon'twanttoacceptthegiftfromhim.我不想收他的礼物。Iamhappytoacceptyourinvitation.我很高兴接受你的邀请。Ihadnoalternativebuttoaccepthisoffer.我除了接受他的提议之外,别无选择。acceptancen.接受,验收,承认Thechildwonacceptancebytheteacher.孩子得到了老师的喜爱。accessn.接近,通道,入口Theonlyaccesstothecityisacrossthebridge.到城里唯一的通路是经过一座桥。accidentn.意外的,事故Hewaskilledinacaraccident.他死于车祸。ImetBocabyaccidentinthecinema.我偶然在电影院遇到了布卡。accidentala.偶然的,非本质的Theirmeetingwasquiteaccidental.他们的相遇是很偶然的。accommodationn.适应,调解,膳宿,贷款AccommodationisexpensiveinBeijing.北京住房昂贵。accompanyvt.陪同,伴随Shewasaccompaniedbyhereldersister.她有姐姐陪伴。accomplishvt.达到(目的),完成Iaccomplishedtwohours'workbeforelunch.我在午饭前完成了两小时的工作。accordvt.使一致,给予Hisopinionalwaysaccordswithmine.他的意见与我的总是很一致。accordingtomywatch,itisalready2o'clock.我的表现在已经是两点了。accordancen.一致,和谐I'malwaysinaccordancewithJack.我和杰克在很多问题上意见一致。accordinglyad.因此,依照Youmayarrangethisaccordingly.你可以权宜处理这件事。accountn.记述,解释,帐目Laurencouldnotaccountforhermistake.劳伦无法解释自己的错误。Theaccountsshowthatthecompanyhasspentmorethanitreceived.账目显示这个公司已经入不敷出了。accountantn.会计,会计师Heisgoingtobeanaccountant.他即将成为会计师。accumulatevt.积累vi.堆积Snowaccumulatedtoadepthof12feet.雪已积到十二英尺深。accuracyn.准确(性),准确度Heaimedataccuracyandperfection.他力求准确和完美。Idoubttheaccuracyofhisstatement.我怀疑他的话的正确性。accuratea.准确的,正确无误的Shegaveanaccurateaccountofthecase.她对事故做了准确的描述。accusevt.指责,归咎于Sheaccusedhimofstealingherbicycle.她控告他偷窃自行车。accustomeda.惯常的,习惯的Thesepeopleareaccustomedtohardwork.这些人惯于艰苦的工作。Theyoungmanhasbeenaccustomedtohardwork.那青年已经习惯于辛苦的工作了。achevi.痛,想念n.疼痛Myheadachedallnight.我的头疼了一夜。achievevt.完成,实现,达到Theactorachievedfameattheageof22.那位演员22岁时就成名了。achievementn.完成,成就,成绩Hisachievementgratifiedhisparents.他的成就让他的父母高兴。FlyingacrossthePacificforthefirsttimewasagreatachievement.首次飞越太平洋是一个伟大的功绩。acidn.酸,酸的,酸性的Theacidrainisthreateningworldenvironment.酸雨危害环境。acknowledgevt.承认,感谢ItisuniversallyacknowledgedthattheUSisastrongcountry.大家公认美国是个强大的国家.acquaintancen.认识,了解,熟人Heisnotafriendofmine,onlyanacquaintance.他不是朋友我的,只是个熟人。acquirevt.取得,获得,学到WeshouldworkhardtoacquireagoodknowledgeofFrench.我们必须用功学习才能精通法语。acquisitionn.获得,添加的物品Thisbookcaseismylatestacquisition.这个书架是我最新购置的。acren.英亩(=6.07亩)Heploughedanacreinsixhours.他六小时犁一英亩地。acrossprep.横过,在…对面Let'sgoforarunacrossthefields.咱们去跑步，跑过那片田野吧。Thedogledtheblindmanacrosstheroad.狗领着盲人过了马路。Wecameacrossanewphraseinthetext.我们在课本里看到了一个新成语。actvi.行动,见效n.行为Thinkbeforeyouact!三思而后行！Itisnottheactofagentleman.这不是绅士的行为。Wesometimesactoninstinct.我们有时凭直觉而行动。actionn.行动,作用,功能Hisheroicactionhasleftadeepimpressiononpeople'sminds.他的英雄行为在人民心里留下了深刻的印象。actionsaremoreimportantthanwords.做比说更重要。activea.活跃的,积极的Themarketisveryactive.市场非常活跃.Hewasactiveinorganizingstudentmeetings.他积极组织学生集会。activityn.活动,活力,行动activitiestakeuptoomuchofourtime.活动占去了我们太多的时间。actorn.男演员Theactorachievedfameattheageof22.那位演员22岁时就成名了。Theactorplayswell.这个演员演得很好。actressn.女演员Myauntisanactress.我的姑姑是演员。actuala.实际的,现行的Icangiveyoutheactualfigures.我能举出实际数字。acutea.尖的,锐的,敏锐的Hehashadanacuteanalysisofthesituation.他对形势做了深刻的分析。adn.=advertisement广告adaptvt.使适应,改编Youshouldadaptyourselftothenewclass.你应该适应新班级。ItisreallyhardforJimtoadapttothenewenvironment.吉姆很难适应新的环境。addvt.添加,附加,掺加Ishouldaddthatweareverylucky.我要补充的是我们非常幸运。Weshouldaddthis