emergency signaling

英 [emergency signaling]
美 [emergency signaling]

中文释义

事故信号装置

单词分析

单词结构：

emergency signaling

字母数：19

记忆提示

🎯 重点记忆：

  • 单词拼写：emergency signaling
  • 核心含义：事故信号装置

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更新时间：2026-02-04 00:03:20