life-span

英 ['laɪfsp'æn] 美 ['laɪfsp'æn]

• n. 寿命

英英释义

名词 lifespan:

1. the period during which something is functional (as between birth and death)

例句

用作名词 (n.)

1. The machine's life is very long.
   这机器使用寿命很长。
2. Women have a higher life expectancy than men.
   女人比男人的预期寿命长。