A
aridity n.干旱;乏味
arithmetic n.算術(shù)
arrange v.安排;排列
arrangement n.安排;準備工作
array n.部署;陳列;大批
arrogance n.傲慢;自大
artifact n.人工制品
artery n.動脈;要道;
arthritis n.關(guān)節(jié)炎
artificial a.人工的;人造的;
arboreal:樹木的,樹狀的:
arduous:艱巨的,努力的:
ascertain:查明,:確定:
as for (as to)至于;關(guān)于
as if (as though)好像;仿佛
ashy n.灰;灰燼;骨灰;遺骸
aspect n.方面;外觀;樣子
aspiration 強烈的愿望,志向
assemble v.集合;裝配
assess v.評核;估價
asset n.財產(chǎn);優(yōu)點
assign v.指派;分配
assignment n.任務(wù)
assimilate v.吸收;使同化
assistance n.協(xié)助;援助
assistant n.助理
associate v.使聯(lián)合;使有聯(lián)系;交往
associate n.伙伴;同事;副的
association n.協(xié)會
assume v.假定;設(shè)想
assumption n.假定;假設(shè)
assurance n.信心;保證;保險
asthma n.哮喘癥
astonish v.使驚訝;使吃驚
astound v.震驚