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
例子
Improvements in healthcare have led to an increase in life expectancy worldwide.
医疗保健的改善导致全球预期寿命增加。
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。
