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单词 life expectancy
释义

life expectancy

​noun countable/uncountable
UK
Word Forms
singularlife expectancy
plurallife expectancies
DEFINITIONS2
  1. 1
    the length of time that someone is likely to live
    Synonyms and related words
    General words for life
    life
    lifespan
    lifetime
  2. 2
    the length of time that something lasts or remains useful
    Synonyms and related words
    Existence and the length of time that something exists
    existence
    lifetime
    life

life expectancy

​noun countable/uncountable
US
Word Forms
singularlife expectancy
plurallife expectancies
DEFINITIONS2
  1. 1
    the length of time that someone is likely to live
    Synonyms and related words
    General words for life
    life
    lifespan
    lifetime
  2. 2
    the length of time that something lasts or remains useful
    Synonyms and related words
    Existence and the length of time that something exists
    existence
    lifetime
    life
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更新时间：2026/6/21 18:53:50