他们发明了第一盏电灯泡，无线电话，直升飞机，轰炸机，彩色摄影以及电视机。
They invented the first electric bulb, wireless telegraph, helicopter, bomber, colored photography and TV-set.
许多顶级的科学家和工程师来自俄罗斯。他们发明了第一盏电灯泡，无线电话，直升飞机，轰炸机，彩色摄影以及电视机。
Many leading scientists and constructors originated from Russia. They invented the first electric bulb, wireless telegraph, helicopter, bomber, colored photography and TV-set.
有一位非常忙碌的发明家叫托马斯·爱迪生，他带领自己的工作队发明了电灯泡、留声机和电影摄影机。
One very busy inventor was Thomas Edison. With his team of workers, he invented an electric light bulb, the phonograph and movie cameras.
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