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proportion of aged population
proportion of aged population
英
[proportion of aged population]
美
[proportion of aged population]
中文释义
老年人口比例
单词分析
单词结构:
proportion of aged population
字母数:29
记忆提示
🎯 重点记忆:
单词拼写:proportion of aged population
核心含义:老年人口比例
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更新时间:2026-03-16 12:38:48