busy-buzz tone

英 美
  • 忙音;占线音
  • busy adj.忙的;繁忙的;热闹的;(电话)占线的vt.使忙于
  • buzz vi.发出嗡嗡声;充满;匆忙vt.使嗡嗡叫;低飞掠过;打电话n.嗡嗡声;电话
  • tone n.语气;音调;调子;色调;风气v.使更健壮;定调;调色;装腔作势地说
    1. I dialed her number, but it was busy.
      我拨了她的号码但却是忙音。
    2. In communications,a condition that occurs in a network when no circuits are available and a busy tone is returned to the calling part.
      在通信技术中,当无线路可用因而有忙音返回给主呼叫用户时网络的一种状态。