they can hear over the radio这个句子对吗

they can hear over the radio这个句子对吗 they can learn over the radio.的意思 they can also learn over the radio 这里的over 怎么翻译?over有通过的意思吗? Please turn _____ the radio.I can't hear. I really can't hear you clearly with the radio ( ) They communicate 什么each other over the radio. do you know whom the radio is invented by 这个句子对吗? I hope I can pass the exam 这个句子对吗? Now we can hear the news () the radio or see it () the Inter I can hear the news.The radio must _______(turn on) now. .I can hear the news. The radio must _______(turn on) now. You can turn off the radio now,I()(hear)the news already.