early 15c., "vapor, breath," from Middle French expiration, from Latin expirationem/exspirationem (nominative expiratio/exspiratio) "a breathing out, exhalation," noun of action from past participle stem of expirare/exspirare "breathe out; breathe one's last" (see expire). Meaning "termination, end, close" is from 1560s.
权威例句
1. Check the expiration date on your passport.
检查一下你护照上的截止日期。
2. Period may be extended upon expiration ( through agreement ).
通过协议可以延长期限.
3. Your girlfriend's past her expiration date, and we're crazy?
你的女朋友是个死人说我们疯了?
4. Can I have your credit card number followed by the expiration date?
能告诉我你的信用卡号码和它的到期日 吗 ?
5. Yes, it will be refunded to you at the expiration of the lease.