asylum¹ n.收容所;避难所 [ME

asymmetric² a.不均匀的;不对称的

atheistic³ a.无神论者的 [atheism无神论]

athirst a.渴;渴望 [OE ofthyrst for ofthyrsted pp. of ofthyrstan be thirsty]

athlete n.比赛者,运动家;强壮的人 [L athleta

athletics⁴ 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 [L

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

atrocious a.凶暴的;残酷的 [L atrox -ocis cruel atrocity暴行]

atrophy v.使衰退;使萎缩 [F atrophie or LL atrophia

attach v.附上,贴上;使属于 [ME

attachment n.附着;依恋;逮捕;扣押 [ME

attainment n.成就;造诣;学识

attentive a.注意周到的;倾听的 [ME

attenuate v.使变细;使弱 [AD-, tenuis thin]

attest v.证明;证实 [AD-, testis witness]

attic n.阁楼 [F attique, as ATTIC古怪的: orig a small order above a taller one]

attire n.服装;盛装;打扮 [ME

attorney n.代理人;律师 [ME

attribute n.品性 [

attrition n.摩擦;磨损 [ME

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 [L auctio increase, auction

audacious a.大胆的;目中无人的 [L audax -acis bold

audible a.听得见的,可听见的 [LL audibilis< audire hear. audibility 听得见,可听性]

audience n.听众;观众 [

audit n.检查(项目) [ME

auditorium n.听众席,观众席;大讲堂 [L neut. of auditorius (adj.): AUDITORY, -ORIUM]

augment v.增加 [ME

augury n.占兆 [ME

august a.堂堂的;威风凛凛的 [F auguste or L augustus consecrated, venerable]

aural a.耳的;听觉的 [L auris ear auricular耳的;听觉的;耳语的]

aureate a.金色的;灿烂的 [ME

aureole n.光环 [ME

auroral a.北极光的 [AURORA 极光;夜晚女神]

auscultation n.听诊 [L auscultatio

auspice n.前兆;赞助;资助 [under the ~s of the company = under the company orig 'observation of bird-flight in divination':

auspicious a.幸运的 [(auspice 的形容词)an ~ sign 吉兆 auspicial 占卜的;幸运的]