hand fire alarm device

英 [hand fire alarm device]
美 [hand fire alarm device]

中文释义

手动火警报警器

单词分析

单词结构：

hand fire alarm device

字母数：22

记忆提示

🎯 重点记忆：

  • 单词拼写：hand fire alarm device
  • 核心含义：手动火警报警器

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更新时间：2026-02-01 11:10:52