考虑到上下文的含义,我不认为这个radio字面上指的是无线电广播或收音机。那么, radio这个词可以理解为无线通信的总称吗?
母语人士的回答
Rebecca
Radio不仅是无线电广播和机器的radio wave这种无线电波技术使用从卫星或电离层在空气中传播的电磁波。示例: The radio waves were disrupted. So, I couldn't hear anything. (无线电波受到干扰。我听不到任何声音。) 示例: A satellite sends the signal of a radio wave, and the TV receives it. (卫星发送无线电波,电视接收它。)