radio的复数形式是直接加s，即radios。radio可作名词和动词两种词性，基本含义有“无线电广播”、“线电广播节目”、“收音机”、“无线电传送”、“用无线电发送”。
radio的基本含义及用法介绍
1、作为名词时，意为无线电广播;无线电广播节目;收音机;无线电传送;无线电通信。
例句：The interview was broadcast on radio and television.
广播和电视都报道了这次会见。
He was unable to contact Blake by radio .
他未能通过无线电和布莱克取得联系。
The last 12 months have been difficult ones for local radio...
对于当地广播台来说，过去的12个月很艰难。
A lot of people tend to listen to the radio in the mornings...
许多人喜欢在早上听广播。
He sat down in the armchair and turned on the radio.
他在扶手椅中坐下，打开了收音机。
They are in twice daily radio contact with the rebel leader.
他们每天用无线电和叛军首领联系两次。
2、作为动词时，意为(用无线电)发送，传送。
例句：The police officer radioed for help.
警察用无线电呼救。
The warning was radioed to headquarters.
通过无线电向总部发出了警报。
The officer radioed for advice...
军官发来无线电报请求指示。
Popular music has produced thousands of singers and groups of musicians who record their songs to be played on the radio.
流行音乐造就了大批的歌手和音乐人群体，他们把录制的歌曲通过无线电波传送四方。
