aggregate v. 集合;合计;
agitate vi. 煽动;鼓动;
appellate a. 控诉的;上诉的;
appreciate vt.感激;欣赏;
appropriate a.适当的;恰当的;
approximate a.近似的 vt.近似;
arbitrate v. 仲裁;公断
arrogate v. 冒称具有……权力;
arsenate n.『化学』砷酸盐;
articulate v. 清楚说话;接合;
asphyxiate v. (使)无法呼吸;窒息而死;
assassinate vt.暗杀;行刺;中伤;
asseverate v. 断言;
assimilate v. 同化;吸收;
associate vi.交往 n.伙伴;同事;
ate eat 的过去式;eat(吃)的过去式;
attenuate v. 变薄;变弱;
authenticate v. 证明(某物)为真;
automate vt. 使自动化;v. 自动化;
backdate v. 回溯;
bate v. 减少;降低;衰落;
berate v. 猛烈责骂;
bicarbonate n. 重碳酸盐;
bifurcate v. 分为二支;分叉