emergency and back-up mechanisms

英 [emergency and back-up mechanisms]
美 [emergency and back-up mechanisms]

中文释义

急和后备措施

单词分析

单词结构：

emergency and back-up mechanisms

字母数：32

记忆提示

🎯 重点记忆：

  • 单词拼写：emergency and back-up mechanisms
  • 核心含义：急和后备措施

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更新时间：2025-03-16 22:13:28