life expectancy
英 [ˈlaɪf ɪkspektənsi]
美 [ˈlaɪf ɪkspektənsi]
n. 预期寿命; 预计存在(或持续)的期限
Collins.1
牛津词典
noun
- 预期寿命;预计存在(或持续)的期限
the number of years that a person is likely to live; the length of time that sth is likely to exist or continue for
柯林斯词典
- N-UNCOUNT 预期寿命;平均(期望)寿命
Thelife expectancyof a person, animal, or plant is the length of time that they are normally likely to live.- The average life expectancy was 40...
平均期望寿命曾是40岁。 - They had longer life expectancies than their parents.
他们比上一辈人的预期寿命要长。
- The average life expectancy was 40...
英英释义
noun
- an expected time to live as calculated on the basis of statistical probabilities