radio是什么意思英文翻译？
编辑：自学文库
时间：2024年03月09日
The word "radio" in English refers to a device or system that is used to transmit and receive sound waves through electromagnetic waves. It can also refer to the medium of broadcasting using these waves. The term originates from the Latin word "radius," meaning "beam or ray," and the Greek word "aphoros," meaning "transmitting." The invention of the radio is often credited to Guglielmo Marconi, who successfully demonstrated the transmission of wireless signals in the late 19th century. Since then, radios have become a common means of communication, entertainment, and information dissemination. Through the use of frequencies, modulations, and antennas, radio signals can travel long distances and reach a wide audience. Radios can be found in various forms, such as portable devices, car radios, and even integrated into smartphones. They provide access to news, music, weather updates, talk shows, and other audio content.