[计] 忙碌信号, 占线信号

busy signal的用法和样例：

例句

I dialed her number, but it was busy.我拨了她的号码但却是忙音。
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。

Lesson 9 A Busy Family

It's a busy day at the Wangs' house. Mr. Wang is fixing his bike. Mrs. Wang is writ- ing a letter. Tina is reading a book. Tony is exercising. Even the dog is busy. It's chasing a cat. The cat is running for its life. The Wangs are busy, but they're

发表于:2018-11-27 / 阅读(747) / 评论(0)

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