call waiting

柯林斯词典

call waiting

• 1. N-UNCOUNT Call waiting is a telephone service that sends you a signal if another call arrives while you are already on the phone. 呼叫等待

  The service includes caller ID, voice mail, and call waiting. 这项服务包括呼叫方身份识别、语音邮件和呼叫等待。

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