Anza安扎anart.（用在元音音素前）一An epicene word.通性词an improbable idea不大可能有的念头anesthesia circuit环封式麻醉, 区域麻醉anesthetic dropper麻醉滴瓶anhydrous lanoline脱水羊毛脂An Afghan hound.阿富汗猎犬an unfit parent.不合格的原因an oyster of a man极少开口的人an undressed wound未扎绷带的伤口an enigmatic smile神秘的笑