elderly dependency ratio

英 [elderly dependency ratio]
美 [elderly dependency ratio]

中文释义

(退休)高龄者(被)赡养率

单词分析

单词结构：

elderly dependency ratio

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：elderly dependency ratio
  • 核心含义：(退休)高龄者(被)赡养率

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更新时间：2026-03-25 01:54:41