signalize

vt.使显著；使突出；特别指出；表明；使信号化

A red light is usually a signal of danger. 红灯通常是危险的信号。

I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。

Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。

A red lamp is often a danger signal. 红灯常常是危险的信号。

A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。

The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。