indef. art.一,任(某,每)一: a car 一輛汽車;an honest man 一個(gè)誠(chéng)實(shí)的人;A horse is a useful animal.馬是有用的動(dòng)物。 A Mr. Green wants to see you.有位叫格林的先生想見(jiàn)你。注意1.a 用在以輔音音素開(kāi)頭的詞前,如: a man; a university 等;an 用在以元音音素開(kāi)......(本文共 410 字) [閱讀本文] >>