v.期满( expire的现在分词 )；文件、协议等（因到期而）失效；断气；逝世 双语释义：v.(动词)vi. 期满,(期限)终止 come to an end; become no longer in usevi. 断气,死亡die英英释义： expirev.lose validity"My passports expired last month"同义词：run outpass from physical life and lose all bodily attributes and function