old age population index

英 [old age population index]
美 [old age population index]

中文释义

老年人口指数

单词分析

单词结构：

old age population index

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：old age population index
  • 核心含义：老年人口指数

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更新时间：2026-02-03 00:33:22