A signal sent through the air, like what a radio uses to play music or talk to you.
The radio station broadcasts its programs over the airwaves to reach listeners across the city.
電台通過電波向全市的聽眾廣播其節目。
When people talk about ideas or news being in the airwaves, it means they are being shared and discussed by many people.
The scandal quickly spread across the airwaves, becoming the main topic of conversation everywhere.
醜聞迅速通過電波傳播,成為各地討論的主要話題。