life-expectancy

英['laɪfɪksp'ektənsɪ] 美['laɪfɪksp'ektənsɪ]
  • 寿命(预期寿命)
名词 life expectancy:
  1. an expected time to live as calculated on the basis of statistical probabilities

    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。