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单词

lifespan

释义

lifespan

noun countable

UK /ˈlaɪfˌspæn/

Word Forms

singular	lifespan
plural	lifespans

1
the length of time that a person or animal lives or is expected to live
The natural lifespan of a pig is 10–12 years.
Synonyms and related words
General words for life
life
lifespan
lifetime
2
the length of time that something continues to exist or to be good enough to use
Most pop groups have a very short lifespan.
Synonyms and related words
Existence and the length of time that something exists
existence
lifetime
life

lifespan

noun countable

US /ˈlaɪfˌspæn/

Word Forms

singular	lifespan
plural	lifespans

1
the length of time that a person or animal lives or is expected to live
The natural lifespan of a pig is 10–12 years.
Synonyms and related words
General words for life
life
lifespan
lifetime
2
the length of time that something continues to exist or to be good enough to use
Most pop groups have a very short lifespan.
Synonyms and related words
Existence and the length of time that something exists
existence
lifetime
life

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更新时间：2026/6/7 3:38:37