radio

• 指与用于通信的电磁波有关的，例如无线电广播或无线电传输。

Relating to electromagnetic waves used for communication, such as radio broadcasting or transmission.

1. Relating to radio broadcastingB1formal

   Connected with or used in radio transmission or broadcasting.

   无线电广播的

   • The radio station announced the news.
   • He works in radio advertising.
   • Radio signals were sent from the satellite.

   同义词broadcastwireless

2. Operated by radio wavesB2formal

   Powered or controlled by radio waves.

   无线电控制的

   • The radio-controlled car raced around the track.
   • Radio telescopes detect distant stars.
   • They used radio equipment for communication.

   同义词wireless

• 接收或发送无线电信号以进行通信、娱乐或广播的设备。也指无线电广播或无线电通信本身。

A noun referring to a device that receives or transmits radio signals for communication, entertainment, or broadcasting.

1. Device for receiving broadcastsA1formal

   A device that receives radio signals and converts them into sound.

   收音机

   • She turned on the radio to listen to the news.
   • The car radio was playing classical music.
   • He bought a new digital radio for his kitchen.

   同义词radio receiverradio setreceivertunerwireless

2. Broadcast mediumA2formal

   The transmission of sound programs by radio waves for public reception.

   广播

   • Radio is still popular in rural areas.
   • The radio announced the emergency weather alert.
   • She works as a presenter on local radio.

   同义词broadcastingwireless

3. Radio communicationB1formaltechnical

   Wireless transmission of signals through radio waves, used for communication.

   无线电通信

   • The ship maintained radio contact with the coast guard.
   • Ham radio operators communicate worldwide.
   • Two-way radio is essential for security teams.

   同义词radiocommunicationwireless

• 用无线电波或无线电设备发送或接收信息的动作。

A verb meaning to communicate or transmit a message using radio waves or equipment.

1. Communicate by radioB1formal

   To send a message to someone using radio equipment.

   用无线电联系

   • The pilot radioed the control tower for permission to land.
   • They radioed ahead to inform the base of their arrival.
   • The ship radioed a distress signal during the storm.

   同义词broadcastrelaysendsignaltransmit