英语翻译

题目

英语翻译
The vacuum tube,invented near the beginning of our century,gave us the use of radio waves,an energy source never before captured,and later opened the road for television.

答案

The vacuum tube,invented near the beginning of our century,gave us the use of radio waves,an energy source never before captured,and later opened the road for television.
发明于接近本世纪初的真空管,带给了我们无线电波（一种从未发现的能源）的使用,後来又开启通往电视的道路.
最后一句的意思是对我们发明电视有贡献,可以解作促进了电视的发明.
整个句子的意思是这个发明于接近本世纪初的真空管让我们发现了无线电波,进而促进了电视的发明.