expiration

名词

1. 1

   到期、期满、届满

   Check the expiration of your passport before booking the flight.

   订机票前先确认护照的到期日。

2. 2

   有效期限、保存期限多指食品、药品

   The milk is past its expiration and smells sour.

   这瓶牛奶已经超过保存期限，闻起来酸掉了。

3. 3

   呼气医学

   Slow expiration through the nose helps lower your heart rate.

   缓慢地用鼻子呼气有助于降低心跳。

4. 4

   死亡、去世旧式、委婉

   The old records list the exact hour of his expiration.

   旧纪录上载明了他去世的确切时辰。