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单词 busy signal
释义

busy signal

​noun countable ​American
US
Word Forms
singularbusy signal
pluralbusy signals
DEFINITIONS1
  1. 1
    the sound you hear when you call someone and they are already speaking on the phone
    Synonyms and related words
    Using a telephone
    answer
    busy
    busy signal

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更新时间：2026/4/11 19:46:44