Definition: a system of sending and receiving sound through the air Level: B1
他们通过无线电与救援队取得了联系。
They contacted the rescue team using ___radio.
这位DJ在一家受欢迎的广播电台工作。
The DJ works at a popular ___radio station.
我每天早上听本地电台的新闻。
I listen to the news on local ___radio every morning.
