expire
英 [ɪkˈspaɪə(r)] 美 [ɪkˈspaɪər]
vi.
(因到期而)失效，终止;到期;届满;逝世;去世;故去
第三人称单数： expires现在分词： expiring过去式： expired过去分词： expired
派生词： expired adj.
记忆技巧：ex 除去 + pir〔=spir〕呼吸 + e → 没有呼吸 → 断气，注意：ex后接s开头的词根缩写成ex
例句
Copyright expires seventy years after the death of the author.
版权在作者去世七十年后期满无效。
The period of validity of the agreement has expired.
本协议的有效期已过。
He was deported from Spain when his visa expired.
签证过期后他被驱逐出西班牙。
