a busy signal

英 [a busy signal]
美 [a busy signal]

中文释义

佔线信号,忙音

单词分析

单词结构：

a busy signal

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：a busy signal
  • 核心含义：佔线信号,忙音

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更新时间：2026-02-05 14:12:02