| 单词 | expiration date |
| 释义 | expiration date【经】 有效期限, 截止日期 expiration date expiration date n.（名词）1. The date on which something, such as a warranty or license, is no longer valid or in effect.到期日：例如某种保证书或是许可证等的某物不再有效或是具效力实行的日期2. The date past which a product, such as food or medicine, must be sold or removed from availability because it is no longer expected to be fresh or effective.过期产品：超过产品（如食品或药品）的销售期或使用期，产品变得不新鲜或失效 |
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