become younger in average age

基本解释

• 年輕化

英汉例句

雙語例句

• Except morbidity number rapid increase, morbidity crowd displays the become younger in average age trend also gradually.
  除了發病人數急劇增加外，發病人群也日益呈現出年輕化趨勢。
  blog.sina.com.cn

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