1. Sandy reached for the radio to turn it up louder.
    桑迪伸手把音乐开得更响。

2. Professor Ronald Bracewell, a leading American radio astronomer, argued in Nature that such a superior civilization,
    美国一位重要的射电天文学家罗纳德.布雷斯韦尔教授在《自然》杂志上提出了这样的观点：

3. Many of the radio and electronic devices used are similar to those of artificial satellites.
    所用的无线电和电子仪器中有许多与人造卫星的相同。

4. "In America," said Horsnagle, "instead of golden trumpets, we have newspapers, magazines and radio stations."
    洪斯纳哥博士说，“在美国，我们有报纸、杂志和电台，而不是金喇叭。”

5. "But who owns all these newspapers, magazines and radio stations?"
    “但是谁拥有这些报纸、杂志和电台呢？”

6. Radio waves also travel at the speed of light,
    无线电波也是以光速传播的。

7. Radio and television have made it possible for advertisers to capture the attention of millions of people in this way.
    电台、电视使做广告的人可以用这种手段吸引成百万人的注意力。

8. I have a stereo radio.
    我有一个立体声录音机.

9. In the late 1940s, engineer Percy L. Spencer of the Raytheon Company was experimenting with high-frequency (高频率) radio waves.
    20世纪40年代后期，雷神公司的工程师珀西·L·斯潘塞正在从事高频无线电波实验。

10. It's cheaper to build radio towers than to string lines across mountain ridges,
    建造无线电发射塔要比翻山越岭架设线路更便宜。