Time signal
01
时间信号, 报时信号
a recognizable signal that the radio broadcasts at a precise time to indicate the accurate time of day
例子
The radio station broadcasts a time signal every hour to help people keep their clocks accurate.
广播电台每小时广播一次时间信号，以帮助人们保持时钟准确。
We use a time signal to ensure all the clocks in the building are synchronized.
我们使用时间信号来确保建筑物内的所有时钟都同步。
