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BNC: 2369 COCA: 15281
lifespan
noun [C] /ˈlaɪfˌspæn/
singularlifespan
plurallifespans
  1. 1
    the length of time that a person or animal lives or is expected to live (人或動物的)壽命,預期生命期限

    The natural lifespan of a pig is 10–12 years. 豬的正常生命期爲10至12年。

     Synonyms and related words
    General words for life: life, lifespan, lifetime...
  2. 2
    the length of time that something continues to exist or to be good enough to use 存在期;使用期;有效期

    Most pop groups have a very short lifespan. 絕大部分的流行樂隊存在時間很短。

     Synonyms and related words

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