radio signal

英 美
  • n.无线电信号
  • radio n.收音机;无线电v.用无线电通讯
  • signal n.信号;标志v.(发信号)通知、表示adj.显著的
Noun:
  1. a radio wave used to transmit and receive messages

    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。