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词汇 life expectancy
释义

life expectancy

noun
/ˈlaɪf ɪkspektənsi/
/ˈlaɪf ɪkspektənsi/
(also less frequent life expectation)
[uncountable, countable]
(North American English also expectation of life [uncountable])
  1. the number of years that a person is likely to live; the length of time that something is likely to exist or continue for预期寿命;预计存在(或持续)的期限
    • Life expectancy for both men and women has improved greatly in the past 20 years.在过去的20年里,男女的预期寿命都有了很大的提高。
    • Women have a longer life expectancy than men.女人的预期寿命比男人长。
    • The life expectancy of a large bus is about 15 years.一辆大客车的预期寿命是15年左右。
    • Japanese people have a very high life expectancy.日本人的预期寿命非常长。
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