Airwaves
01
电波, 无线电波
radio waves used as a medium for broadcasting television and radio programs
例子
The local radio station broadcasts its programs over the airwaves.
当地广播电台通过电波广播其节目。
Emergency services rely on the airwaves to communicate quickly and effectively.
紧急服务依靠电波来快速有效地进行通信。



























