age n. 年齡 v. 變老(at the age of…/時年..歲; be of age(= come of age/)成年 ;
ago adv. 以前，以往(long long ago很久很久以前, two days ago/兩天前);
agree v. 一致, 相合, 同意 (agree on…/對…意見一致; agree with sb. /同意某人的話; agree to do sth. 同意做… );
agreement n. 一致, 同意, 協(xié)議(in agreement with .../和..一致);
agriculture n.農業(yè)
ahead adv.在前, 向前, 提前( ahead of…/在…之前;超過); addict: v. 使沉溺于(addict oneself to( = be addicted to) 沉溺于，熱中于)
in addition/加上, 又, 另外;in addition to/加上, 除...外;
additional adj.附加的, 另外的; 補充的
address n.收信(件)人的住址 v. 對...講演或發(fā)表演說; (address a meeting 向大會致辭)
adequate adj. 足夠的,恰當?shù)?勝任的 (be adequate for..勝任…)(adequate – enough –sufficient足夠的)
adjust v. 調整;調節(jié); 使適應(adjust oneself to sth./使自己適應..)
admire v. 贊美;贊賞;(admire sb. for sth./因…而欽佩某人)
admit v. 讓...進入, 使獲得(某種地位或特權), 承認(事實、錯誤等) (admit sb. into the university/獲準入大學; admit sb. to hospital/把某人收治入院);
adopt v. 采用, 采納 (adopt –take采用)
adult n. 成年人 (adult –grown-up成年人)
advance v./n. 提高(物價等), 增加(數(shù)量、價錢等), 提前, 加速, 撥快(時針) (in advance/預先)(advance-increase增加(數(shù)量、價錢等) )
advantage n. 優(yōu)勢, 長處, 利益, 便利 (take advantage of/利用，欺騙) (advantage - merit優(yōu)點)
adventure n. 冒險, 驚險活動 advertisement n. 廣告(= ad.)
advice n. 勸告, 忠告(a piece of advice/一條意見; give advice /提出忠告; take/follow one’s advice /接受忠告)
advise v. 建議, 提意見, 通知( advise sb. to do sth./勸某人做某事，advise sb. that../通知某人某事 = inform sb. that…)
(B級)advisable adj. 明智的， 可取的 (advisable – sensible --wise明智的)
affair n. 事情[件], [常用復] 事務, 事態(tài)(affairs of state/國務; foreign affairs /外交事務 )
affect v. 影響, 對...起作用[反應], 感動, 患(病) (affect – influence – have a bearing on影響)
afford v. [常與can, could, be able to 連用] 擔負得起費用(損失、后果等)( can’t afford to buy sth./買不起...)
afraid adj. [常作表語] 怕, 害怕, [口]恐怕( be afraid of/害怕, 擔心; I’m afraid/[口]大概, 恐怕, 擔心) (afraid --fearful)
Africa n. 非洲
after prep. 在…以后，adv. 以后， 后來conj, 在…以后
again adv. 再一次， 又一次 again and again再三地， 反復地
against: prep. 反對，敵對，逆, 碰，觸, 以…為背景(be against/反對)
aid v. 幫助, 援助 n. 幫助, 支援(aid sb. in sth./ 幫助某人做。。);(aid – help幫助; aid –device輔助設備)
