Level 6 · word 15,203 of 20,000

lifespan

/ˈlaɪfˌspæn/ American
  • n. 寿命, 使用期限
Definition
  • n. the length of time that someone or something lives or lasts
Example
A tortoise can have a lifespan of over one hundred years.
乌龟的寿命可以超过一百年。