Radio is the broadcasting of programmes for the public to listen to, by sending out signals from a transmitter.
例句
The last 12 months have been difficult ones for local radio...對于當地廣播臺來說，過去的12個月很艱難。The announcement was broadcast on radio and television.通知已在廣播和電視上發布。
N-SING
無線電廣播節目
You can refer to the programmes broadcast by radio stations as the radio .
例句
A lot of people tend to listen to the radio in the mornings...許多人喜歡在早上聽廣播。He's been on the radio a lot recently...最近總能在廣播節目中聽到他的聲音。
N-COUNT
收音機
A radio is the piece of equipment that you use in order to listen to radio programmes.
例句
He sat down in the armchair and turned on the radio.他在扶手椅中坐下，打開了收音機。
N-UNCOUNT
無線電；無線電通訊
Radio is a system of sending sound over a distance by transmitting electrical signals.
例句
They are in twice daily radio contact with the rebel leader.他們每天用無線電和叛軍首領聯系兩次。...radio waves.無線電波
N-COUNT
無線電收發設備
A radio is a piece of equipment that is used for sending and receiving messages.
例句
...the young constable who managed to raise the alarm on his radio...通過無線電設備發出警報的年輕警官The radio message was brief.無線電報消息很簡短。
VERB
用無線電向…發送信息
If you radio someone, you send a message to them by radio.
例句
The officer radioed for advice...軍官發來無線電報請求指示。A few minutes after take-off, the pilot radioed that a fire had broken out.起飛幾分鐘后，飛行員用無線電報告說飛機內突然起火。