hand emergency signalling apparatus

英 [hand emergency signalling apparatus]
美 [hand emergency signalling apparatus]

中文释义

手摇报警器

单词分析

单词结构：

hand emergency signalling apparatus

字母数：35

记忆提示

🎯 重点记忆：

  • 单词拼写：hand emergency signalling apparatus
  • 核心含义：手摇报警器

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更新时间：2026-02-07 14:15:11