rajio 用英语:

The radio died.

The radio warned us of the coming earthquake and we started gathering our things.

Students often study with music playing in the background, and people working around the house will usually turn on the television or radio to keep them company.

Compare unidirectional mass media such as radio and television with bidirectional ones such as correspondence and the Internet.

The means of communication can include letters, magazine and newspaper advertisements, radio and television commercials, and telephone marketing, as well as catalogs.

The discovery of electric waves made radio possible.

What Jansky had observed was the 14.6m wavelength radio wave from the Milky Way's core.

His mobile phone produced radio emissions that interfered with other phones.

Repairing a broken radio I realise over again that I don't have an understanding of the operating principles of circuitry.

Imogen of the Internet expresses genuine surprise that other people's favorite radio stations are not M3U streams from servers halfway across the world.

Optical radars use light, rather than radio waves as normal radars.

Today, through radio and television, mass advertising can reach millions of people at a time with its messages.

At the beginning, I was bored with radio gymnastics, but now I do not dislike it.

The communication of news by TV and radio is very common now.

You can tell this is college radio. First of all, they actually play records; secondly, they keep playing them at the wrong speed.