closed security zone

英 [closed security zone]
美 [closed security zone]

中文释义

保密区

单词分析

单词结构：

closed security zone

字母数：20

记忆提示

🎯 重点记忆：

  • 单词拼写：closed security zone
  • 核心含义：保密区

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更新时间：2026-01-24 15:51:09