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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:2026-01-31 11:08:30

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