the aging of a population

 
  • 老龄化

the aging of a population的用法和样例:

例句

  1. Aging has become a social problem.
    老龄化已成为一个社会问题。
  2. China's population is aging at unprecedented levels.
    使中国人口老龄化达到了前所未有的水平。

the aging of a population的相关资料:

临近单词

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