基本解释adj.空虛的;空的;木然的词源解说 直接源自古法語的vacant,意爲未佔用的;最初源自拉丁語的vacantem,意爲空著的。同根派生vacancy n. 空房間; 空虛; 空白vacantness相关词英汉例句用作形容詞 (adj.)用作定語: ~+ n.There were many vacant seats in the theater.劇院裡有許多空座位。用作表語: S+be+~Is the lavatory vacant?厠所裡沒人吧?vacantness更多例句