托福考试词汇研究－Unit4
Unit 4
astringent a.收敛性的；止血的 [stringent 严格的；严厉的]
astrolabe n.星盘
astrology n.占星学 [ASTRO-， -LOGY]
astute a.机敏的；狡猾的 [astut or astutus astus craft]
asunder ad.散开；碎散；分别 [ on sundran into pieces： cf SUNDER分为二，分开，切开]
asylum n.收容所；避难所 [ asulon refuge a- not + sulon right ofseizure捕捉，扣押]
asymmetric a.不均匀的；不对称的
atheistic a.无神论者的 [atheism无神论]
athirst a.渴；渴望 [ ofthyrst for ofthyrsted pp. of ofthyrstan be thirsty]
athlete n.比赛者，运动家；强壮的人[ athleta athletes athleo contend for a prize（athlon）]
athletics n.pl.运动 [athlete运动员]
athwart ad.横穿过去；不顺利地 [A+THWART（古北欧语"横过"）妨碍，反对，使挫折）]
atlas n.地图集 [ Atlas -antos a Titan who held up the pillars of theuniverse， whose picture appeared at the beginning] of [early atlases]
atomy n.微小之物；原子；矮人 [ANATOMY剖析；解剖学；骨骸 taken as an atomy]
atonal a.无调的
atone v.补偿；赎罪 [back-form ATONEMENT 赎罪 at one + -MENT， after medL adunamentum and earlier onementobs] [one（v）unite]
atrocious a.凶暴的；残酷的 [atrox -ocis cruel atrocity暴行]
atrophy v.使衰退；使萎缩 [atrophie or LL atrophia a- not+trophe food]
attach v.附上，贴上；使属于 [estachier fasten： in Law sense thr. atachier]
attachment n.附着；依恋；逮捕；扣押 [ attachement attacher（ATTACH， -MENT）]
attainment n.成就；造诣；学识
attentive a.注意周到的；倾听的 [attente， atente， fem pp. of atendre ATTEND]
attenuate v.使变细；使弱 [AD-， tenuis thin]
attest v.证明；证实 [AD-， testis witness]
attic n.阁楼 [attique， as ATTIC古怪的： orig a small order above a taller one]
attire n.服装；盛装；打扮 [atir（i）er equip a tire in order]
attorney n.代理人；律师 [ atorne pp. of atorner assignto+torner turn]
attribute n.品性 [ attribuere attribut-（AD-， tribuere assign）]
attrition n.摩擦；磨损 [attritio atterere attrit- rub]
attune v.使合拍调；使调和 [AT-+TUNE]
atypical a.非典型的；不正常的
auction v.n.拍卖；拍卖人 [ auctio increase， auction augere auct- increase]
audacious a.大胆的；目中无人的 [ audax -acis bold audere dare audacity胆识；大胆；无耻]
audible a.听得见的，可听见的 [audibilis audire hear. audibility 听得见，可听性]
audience n.听众；观众 [audire hear]
audit n.检查（项目） [audire audit- hear audition听觉；试听（歌手等）]
auditorium n.听众席，观众席；大讲堂 [ neut. of auditorius （adj.）： AUDITORY， -ORIUM]
augment v.增加 [ augment（n）， augere increase]
augury n.占兆 [ augurie or augurium AUGUR]
august a.堂堂的；威风凛凛的 [ auguste or augustus consecrated， venerable]
aural a.耳的；听觉的 [ auris ear auricular耳的；听觉的；耳语的]
aureate a.金色的；灿烂的 [ aureatus aureus golden aurum gold]
aureole n.光环 [aureola（corona）， = golden（crown）， fem of aureolus]
auroral a.北极光的 [AURORA 极光；夜晚女神]
auscultation n.听诊 [auscultatio auscultare listen to]
auspice n.前兆；赞助；资助 [under the ~s of the company = under the company orig'observation of bird-flight in divination'：auspex] [observer avis bird.
auspicate [开张；开幕式]
auspicious a.幸运的 [（auspice 的形容词）an ~ sign 吉兆 auspicial 占卜的；幸运的]
austere a.苛刻的 [austeros severe austerity严格，朴素；节约生活]
austral a.南方的；向南的 [ australis Auster south wind]
authentic a.可信的，确实的，真正的 [autentique authentikos principal，genuine]
authenticate v.证实；鉴定；使生效 [medL authenticare： AUTHENTIC确实的，可信的]
authoritative a.权威的；可靠的 [authorization 授权；委任；认可，授权书]
authorize v.授权；委任；认为正当 [auctor： AUTHOR authoritative权威的authorization授权]
autocrat n.独裁者 [AUTO-， kratos power autocracy独裁政治]
autodidact n.自学者 [AUTO- + didact as DIDACTIC]
automatism n.自动；自动作用 [automate AUTOMATON自动机械装置；机器人（robot）]
automaton n.自动机器；机器人 [ neut of automatos acting of itself： AUTO-automatism自动]
autonomous a.自主的 [AUTONOMY自制，自制团体 auto自己+nomous法律]
autopsy n.验尸 [ autopsie or modL autopsia autoptes eye-witness]
autotelic a.自己本身具有目的的 [AUTO- + Gk telos end]