radio distress frequencies

英 [radio distress frequencies]
美 [radio distress frequencies]

中文释义

无线电求救信号频率

单词分析

单词结构：

radio distress frequencies

字母数：26

记忆提示

🎯 重点记忆：

  • 单词拼写：radio distress frequencies
  • 核心含义：无线电求救信号频率

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更新时间：2026-04-09 07:50:02