the aging of population
短語(yǔ)詞組
- the aging of a population 老齡人口
- the aging of the population 人口老齡化;人口老齡化問題
- the problem of population aging 人口老齡化問題
- aging of the population 人口老齡化;人口的老齡化
- Aging of the American Population 美國(guó)人口老齡化 返回 the aging of population