For example, you look up a number in the telephone book, and before you dial, you repeat the number over and over.

例如，你在一本电话号码簿中查到一个号码，在你还没拨号之前，你得再三复习这一号码。

youdao

He took up telephone receiver and began to dial.

他拿起电话听筒开始拨号码。

youdao

To use a Dial-up connection, you need a hardware device to convert computer signals to telephone signals and back a gain.

为了能使用拨号连接，你需要一个能把计算机信号和电话信号相互转换的硬件装置。

youdao

He has one telephone line, which he also uses for dial-up Internet access at 46kbps.

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