electric bulb短语⁸⁴³²⁰⁺⁸ 基本例句 n.电灯泡 Many leading scientists and constructors originated from Russia. 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。 yeeyan