audible and visible alarm

英 [audible and visible alarm]
美 [audible and visible alarm]

中文释义

光信号警报

单词分析

单词结构：

audible and visible alarm

字母数：25

记忆提示

🎯 重点记忆：

  • 单词拼写：audible and visible alarm
  • 核心含义：光信号警报

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更新时间：2026-04-14 13:56:32