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life span的英文翻译是什么意思，词典释义与在线翻译：
参考翻译
- 寿命
英英释义
名词 lifespan:
-
the period during which something is functional (as between birth and death)
life span的用法和样例：
例句
- The machine's life is very long.
这机器使用寿命很长。 - Women have a higher life expectancy than men.
女人比男人的预期寿命长。
