n.(文件、协议等的)满期，届期，到期

The milk has expired, so we can't drink it anymore.
这牛奶过期了，我们不能再喝了。
My driver's license will expire in six months.
我的驾驶执照将在六个月后到期。
The medication needs to be refrigerated and will expire after a year.
这种药物需要冷藏，一年后就会过期。
The lease on our apartment expires at the end of the month.
我们公寓的租约在这个月底到期。
The car warranty has expired, so we'll have to pay for repairs out of pocket.
车辆保修期已过，我们必须自费修理。
The certificate of authenticity has an expiry date.
真伪证书有一个有效期。
The food in the refrigerator has expired, causing a bad smell.
冰箱里的食物已经过期，散发出难闻的味道。
The membership card will expire next week, so you need to renew it.
会员卡下周到期，你需要续费。
The domain name registration expires in a few days; don't forget to renew it.
域名注册将在几天后到期，别忘了续费。
The passport has an expiry date of January 15th, 2023.
护照的有效期到2023年1月15日截止。