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单词 lifespan
释义
lifespan
lfspæn ˈlaɪfspæn
(also life span)Word forms: plural lifespans
1 N-VAR [oft with poss] (人、动植物的)寿命,预期生命期限 The lifespan of a person, animal, or plant is the period of time for which they live or are normally expected to live. (人、动植物的)寿命,预期生命期限
  • A 15-year lifespan is not uncommon for a dog.

    15年的寿命对狗而言是比较常见的。

  • They have extended the potential life span of humanity everywhere.

    世界各地人类的预期寿命均有所延长。

2 N-COUNT [oft with poss] (产品等的)预期使用期限;(组织、想法等的)预期存在期限 The lifespan of a product, organization, or idea is the period of time for which it is expected to work properly or to last. (产品等的)预期使用期限;(组织、想法等的)预期存在期限
  • Most boilers have a lifespan of 15 to 20 years. [+ of]

    绝大多数锅炉有1520年的使用期限。

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更新时间:2025/3/30 17:55:44