telegraph sounder key

英 [telegraph sounder key]
美 [telegraph sounder key]

中文释义

电报音响器电键

单词分析

单词结构：

telegraph sounder key

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：telegraph sounder key
  • 核心含义：电报音响器电键

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更新时间：2026-02-04 19:00:26