备考资料：托福考试词汇研究－Unit3d

　askance ad.斜视地

askew ad.斜地 [A+SKEW歪曲,歪斜,弯曲]

aslope a.ad.成斜坡;倾斜

asp n.毒蛇;埃及产眼镜蛇 [ aspe or  aspis  n.= aspen 白杨;似白杨的;颤抖的]

aspen n.白杨;白杨似的;摇晃的 [earlier name asp + -forming adj. taken as nounasp毒蛇]

asperity n.粗暴;艰苦 [ asperite or asperitas asper rough prosperity繁荣]

asperse v.诽谤 [(AD-, spargere sprinkle)aspersion中伤;(天主教)洒水]

aspirant n.热望者 [F aspirant or aspirant- (PIRE("对呼气")渴望,一心]

aspiration n.抱负 [ aspiration ASPIRATE把发成h音;抽出(液体或气体)]

aspire v.热望,怀大志,切望 [ aspirer or aspirare to + spirare breathe]

asquint a.ad.斜视;斜的 [ perh. schuinte slant]

assail v.攻击 [AD-, salire salt- leap]

assassin n.刺客 [assassin or assassinus  hassashashish-eater]

assault n.突然袭击;猛袭 [as+sault=sail]

assay v.分析;试验 [ assaier, assai, var of essayer, essai;ESSAY]

assemble v.聚集 [ad to+simul together. assemblage 集合;集合物]

assent v.同意;赞成 [ asenter, as(s)ente assentari(ad to, sentire　think)]

assert v.断言;主张 [assertive 言语果敢的;断言的 assertion 主张;断言,确言]

assess v.估定;定...额;评价;估价 [~ a tax at 10 pounds; ~ a statement at its trueworth]

asset n.财产;可取之处 [as-set]

asseverate v.断言 [asseverare(AD-, severus serious)]

assiduous a.勤勉的 [ assiduus(SESS)assidulity勤勉,励精]

assimilate v.吸收 [assimilare(AD-, similis like)]

assize n.裁判;法定价格

assonance n.类音;类韵;母韵 [AD-, sonus sound]

assort v.分类;配齐;相交 [assorted 组合的,各色俱备的]

assuage v.平息;减轻 unassuaged 未缓和的]

assumption n.担任;假设 [ME

assure v.确告 [assured自信的assurance自信;保证 reassure使安心]

astir a.ad.骚动;活动;兴奋 [A + STIR n.骚动；传播；流行]

astound v.使...大吃一惊,惊愕 [obs. astound (adj.) = astoned pp. of obs. astone:astonish]

astral a.星的;多星的 [astralis

astray a.迷路的;误入歧途的 [a+STRAY走离]