signal-book
基本解释
- n.信號書
英汉例句
- A red light is usually a signal of danger.
紅燈通常是危險的信號。 - I stood watching for the signal to change to green.
我站著等待交通信號轉爲綠燈。 - Let's set the clock by the radio time signal.
喒們照著收音機的報時信號把鍾對一對。 - A red lamp is often a danger signal.
紅燈常常是危險的信號。 - A reflected signal on a communication channel.
一種在通信信道上反射廻來的信號。