ASDCn.美国高空与宇宙资料中心asadv.同样地；例如；被认为prep.作为；如同conj.因为；像；当 ... 之时；像 ... 一样；结果；尽管n.阿斯（古罗马重量单位，约373克；古罗马铜币名）as-cast condition[机] 铸造状态as greedy as a wolf像狼一样贪得无厌asynchronous system异步系统,异步方式asynchronous attack异步冲击asceptic meningitis无菌性脑膜炎as old as the hillsadj.极老(极旧)Asthenia/therapy无力／治疗asbesto identifying石棉asymptotic equality浙近等式As busy as a bee.像蜜蜂一样忙碌。