Edison was not the first person to have thought of using electricity for illumination: cumbersome electric arc-lighting had been employed in public Spaces and factories for a number of years.
爱迪生不是第一个想到用电照明的人;许多年来,笨重的电弧灯就在公共区域和工厂投入使用。
Edison was not the first person to have thought of using electricity for illumination: cumbersome electric arc-lighting had been employed in public Spaces and factories for a number of years.
爱迪生不是第一个想到用电照明的人;许多年来,笨重的电弧灯就在公共区域和工厂投入使用。
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