V2EX shelf life

Shelf Life

释义 Definition

shelf life保质期;货架期。指食品、药品等在正常储存条件下保持安全与质量可接受的时间;也可引申为事物(想法、产品、技能等)在变得过时或不再有用前的“有效期”。

发音 Pronunciation

/elf laf/

例句 Examples

The milk is past its shelf life.
这牛奶已经过了保质期。

In hot and humid weather, many foods have a shorter shelf life unless they’re stored properly.
在炎热潮湿的天气里,许多食物如果不妥善储存,保质期会更短。

词源 Etymology

该短语由 shelf(货架)+ life(寿命/生命期)构成,最初用于商业与食品工业语境,表示商品在货架上可销售、可使用的时间范围。后来语义扩展到更广泛领域,用来形容任何事物的“可用/流行/有效”的持续时间(例如“某个点子已经过了它的 shelf life”)。

相关词 Related Words

文学与作品 Literary Works

  • On Food and Cooking(Harold McGee)在讨论食物保存、变质与储存条件时常涉及“shelf life”。
  • Fast Food Nation(Eric Schlosser)谈到加工食品与供应链时会使用“shelf life”等行业词汇。
  • The Omnivore’s Dilemma(Michael Pollan)在分析现代食品系统与加工食品特性时常出现相关表述。
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