life expectancy
life
ˈlaɪf
laif
ex
ɛks
eks
pec
pɛk
pek
tan
tən
tēn
cy
si
si
British pronunciation
/lˈaɪf ɛkspˈɛktənsi/

“life expectancy”的英语定义和含义

Life expectancy
01

预期寿命

the average number of years a person is expected to live, based on various demographic and health factors
example
例子
The life expectancy in many developed countries now exceeds 80 years.
许多发达国家的预期寿命现已超过80岁。
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