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old age security
old age security
英
[old age security]
美
[old age security]
中文释义
老年保障
单词分析
单词结构:
old age security
字母数:16
记忆提示
🎯 重点记忆:
单词拼写:old age security
核心含义:老年保障
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更新时间:2026-01-30 00:47:10