dials
A dial is the part of a machine or instrument such as a clock or watch which shows you the time or a measurement that has been recorded.
The luminous dial on the clock showed five minutes to seven.
发光的表盘上显示6:55。
A dial is a control on a device or piece of equipment which you can move in order to adjust the setting, for example, to select or change the frequency on a radio or the temperature of a heater.
He turned the dial on the radio.
他转动着收音机的调谐钮。
dials , dialling , dialled
If you dial or if you dial a number, you turn the dial or press the buttons on a telephone in order to phone someone.
He lifted the phone and dialled her number.
他拿起电话,拨她的号码。