On The Radio ：
固定短语：通过收音机、通过无线电广播.
例如:
1.I heard the news on the radio.
我从广播中听到了这件事.
2.The patient smiled when he heard the sprightly music on the radio.
听到收音机里传来的轻快乐曲,这个病人笑了.
3.They've been plugging his new show on the radio.
他们一直在电台上宣传他的新节目.
4.The plane homed in on the radio beacon.
飞机遵循导航台信号降落.
5.We depend on the radio for news.
我们靠收音机听新闻.
6.I could hear music playing on the radio.
我听到收音机里演奏著音乐.
