system of social security

英 [system of social security]
美 [system of social security]

中文释义

社会保障制度

单词分析

单词结构：

system of social security

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：system of social security
  • 核心含义：社会保障制度

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更新时间：2026-03-16 12:28:45