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shelf life

noun
🔊/ˈʃelf laɪf/
🔊/ˈʃelf laɪf/
[usually singular]
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  1. the length of time that food, etc. can be kept before it is too old to be sold（食品等的）货架期，保存期
    • The product has a guaranteed shelf life of 60 days.这种产品的保存期为60天。