primary safety mechanism

英 [primary safety mechanism]
美 [primary safety mechanism]

中文释义

主安全机构

单词分析

单词结构：

primary safety mechanism

字母数：24

记忆提示

🎯 重点记忆：

  • 单词拼写：primary safety mechanism
  • 核心含义：主安全机构

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更新时间：2026-02-05 02:50:36