radio signal

• n. 无线电信号

英英释义

Noun:

1. a radio wave used to transmit and receive messages

例句

用作名词 (n.)

1. A radio signal was sent to the spacecraft.
   向宇宙飞船发出了无线电信号。
2. Tall buildings can distort radio signals.
   高楼会破坏无线电信号。