lifespan
US /ˈlaɪf.spæn/
UK /ˈlaɪf.spæn/
명사
1.
수명
the length of time for which a person, animal, or thing exists:
예시:
•
The average human lifespan in the developed countries has increased over the last hundred years.
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수명
the length of time for which a person, animal, or thing exists: