all adj. 所有的, 全部的pron.全體, 全部, (與of連用)整體;全部(in all/總計(jì); above all/首先，尤其是, all over/到處，遍及, after all/終究，畢竟, at all/完全， 根本， 究竟; after all/雖然這樣， 畢竟);
allow v. 允許，準(zhǔn)許, 給予 (allow sb. to do sth./允許某人做。。)(allow –permit允許)
almost adv. 幾乎;(almost –nearly幾乎,差不多)
alone adj. [只作表語(yǔ)] 單獨(dú)的; 孤獨(dú)的(be alone/獨(dú)自一人， leave sb. alone/讓某人獨(dú)自呆一會(huì))(比較: lonely(孤獨(dú)的)可以用作表語(yǔ))
along prep. 沿著(walk along the river/沿著河走; all along/始終;一直 ; along with/與…一道);
aloud adv. 高聲地，響亮地 (aloud –loudly高聲地)
already adv. [表示現(xiàn)在或過(guò)去某時(shí)已發(fā)生的事實(shí)] 已經(jīng)
also adv. 也, 同樣, 而且(not only..but also...或 not only...but../不僅..而且…); (also –too –as well也)
alter v. 變更;改變，改換 (alter –change改變)
alternative n. 兩者擇一, 替換物， adj. 兩者擇一的,交替的;
although adv. 盡管，雖然; (although – though 雖然)
always adv. 總是;
a.m. adv. 上午
amaze v. 使驚奇;使吃驚(be amazed at sth. /對(duì)...感到驚奇);(amazed –surprised – astonished 感到驚訝的 )
amazing adj. 令人吃驚的 (amazing – surprising – astonishing 令人吃驚的)
ambition n. 野心, 雄心, 抱負(fù);
ambitious adj. 野心勃勃的，渴望的
assembly n. 集合, 裝配, 集會(huì)(assembly line/裝配線);
assess v. 評(píng)估(財(cái)產(chǎn), 價(jià)值, 人物、工作等); (assess – evaluate – value評(píng)估)
assist v. (在某方面)幫助，援助，協(xié)助 ((assist sb. in doing sth/to do sth/在…方面幫助某人))
assistant n. 助手, 助理(assistant engineer/助理工程師; assistant professor/副教授);
associate v. 結(jié)交, 由...聯(lián)想到..., 把...聯(lián)系起來(lái)(associate one thing with another/把某一事與另一事聯(lián)系起來(lái); ...be associated with sth./...和...有關(guān)/...和...有聯(lián)系):
association n. 聯(lián)合,協(xié)會(huì), 社團(tuán):
assume v. 假設(shè)(assume – suppose ),承擔(dān)(assume – take on - acccept), 呈(態(tài)度, 姿態(tài), 位置) (assume new duties/ 承擔(dān)新的職務(wù); assume office/就職; assume responsibility/負(fù)責(zé), 承擔(dān)責(zé)任);