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首页 > 英汉词典 > busy tone signal

busy tone signal

英 [busy tone signal]
美 [busy tone signal]

中文释义

占线信号

单词分析

单词结构:

busy tone signal

字母数:16

记忆提示

🎯 重点记忆:

  • 单词拼写:busy tone signal
  • 核心含义:占线信号

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更新时间:2026-02-10 14:47:22

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