three-tone signal

英 [three-tone signal]
美 [three-tone signal]

中文释义

[电视] 三音信号

单词分析

单词结构：

three-tone signal

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：three-tone signal
  • 核心含义：[电视] 三音信号

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更新时间：2026-03-23 00:45:50