n.

1. 无线电；无线电话（或电报）[U][C]
   Ships sent messages to each other by radio.

   船只使用无线电互通信息。

2. 无线电传送，无线电广播[the S]
   She listened to the pop music on the radio.

   她听电台的流行音乐。

3. 收音机；无线电设备[C]
   Father bought her a stereo radio.

   父亲给他买了台立体声收音机。

4. 无线电台；无线电广播台；无线电广播事业[U]
   She was lucky to find a job in radio.

   她很幸运在广播电台找到了一份工作。

vt.

1. 向……发无线电报（或电话）
   He'll radio me.

   他将用无线电同我联系。

2. 用无线电发送（或广播）[O1]
   The ambassador radioed an urgent message to his government.

   大使致急电给他的政府。

vi.

1. 用无线电通讯，用无线电传送
   The captain radioed ahead to the airport.

   机长用无线电提前通知了机场。

n.

1. the transmission and reception of radio waves, especially those carrying audio messages.
2. the activity of broadcasting sound to the public.
   ▸a broadcasting station or channel.
3. an apparatus for receiving radio programmes.
   ▸an apparatus capable of receiving and transmitting radio messages.

v.