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
语法信息
有生性状态
抽象
形态构成
复合词
不可数
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。
