1.be able to; 2.be about to;3.absorb.v吸收; 4.abundant.a丰富的；5.have access to有权做/使用；6.accompany.vt陪伴；7.accomplish.vt完成，实现； 8.account.n账目；v认为；on account of由于；9.accuse.vt控告/指控；accuse of因某事控告某人；10.accustomed.a习惯的；11.achieve.vt完成、达到；12.acquire.vt获得；13.actually.ad实际上；14.adapt.vt使适应; adapt to适应；15.add to增加；16.addition.n增加；in addition to除此之外;in addition另外；17.adequate.a适当的、足够的；18.adjust to适应；19.adopt.vt采用，收养；20.advance.n前进；advanced. a高级的、先进的；advantage. n有利条件，利益；disad
