expiration date
US /ˌek.spəˈreɪ.ʃən ˌdeɪt/
UK /ˌek.spəˈreɪ.ʃən ˌdeɪt/

名词
1.
有效期, 截止日期
the date after which a product, especially food or medicine, should not be used because it may no longer be safe or effective
示例:
•
Always check the expiration date on perishable goods.
务必检查易腐商品的有效期。
•
The medicine passed its expiration date last month.
这种药上个月就过了有效期。
2.
到期日, 截止日期
the date on which an agreement, contract, or official document ceases to be valid
示例:
•
The lease agreement has an expiration date of December 31st.
租赁协议的到期日是12月31日。
•
Make sure to renew your passport before its expiration date.
请务必在护照到期日前续签。
在 Lingoland 学习这个单词