More and more TV and radio stations are crowding the airwaves.
愈来愈多的电视台和广播电台使无线电波段愈来愈拥挤。
A well-known voice came over the airwaves .
电波传来了一个大家熟悉的声音。
1.〔广播〕无线电或电视广播;〔电子〕空中电波
1.radio waves used to send radio, television, cell phone, etc. signals; radio or television shows