the radio is still om的意思为什么用on

the radio is still om的意思为什么用on his radio is still on 为什么中间会加is 请问switch on the radio的意思 为什么是on the radio?为什么用"on" on the radio on radio in radio的区别 the radio was still on!中on是什么用法 求McFly - Love Is On the Radio的英文歌词 is still on the line. on radio 和on the radio的区别 on Radio Shanghai为什么用on? on 和with的区别 He teaches himself English _ the radio.这里为什么要用on 能讲一下on radio ,on the radio,in the radio的详细区别吗?