误I heard it in the radio.
误I heard it through the radio.
误I heard it from the radio.
正I heard it on〔over〕 the radio.
析表示“从收音机中听到…”可说hear sth on〔over〕 the radio,不说hear sth through〔in,from〕 the radio。
我们在广播里听到了这则消息。误We heard the news on radio.
正We heard the news on the radio.
析当radio泛指广播或无线电时,前面不用冠词,但在listen to the radio(听广播), on〔over,upon〕 the radio(通过无线电广播), turn on (off)the radio(开关收音机)等词组里, radio前均应带定冠词the。
他拍发了一份无线电报。误He sent a message by the radio.
正He sent a message by radio.
新闻消息是用无线电向世界各地播放的。误The news was broadcast worldwide by the radio.
正The news was broadcast worldwide by radio.
析by radio指一种动作行为的方式, radio前不加定冠词。
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