working light switch 工作灯开关
Working light for low voltage 现场用低电压聚光灯
adjustable rear working light 可调工作尾灯
Kitchen light is not working 厨房的灯坏了
Thomas Edison made thousands of wrong attempts before he was able to create a working light bulb.
托马斯·爱迪生在发明灯泡之前,做了成千上万的尝试。
On June 18, the oldest-known working light bulb in the world will celebrate the 110th year it has burned bright.
六月十八号,世界上已知工作时间最长的电灯泡将庆祝点燃110年。
Sir Joseph Swan of Newcastle announced that he had made a working light bulb on 18 December 1878 and on 18 January 1879 he gave a public demonstration in Sunderland –10 months before Edison.
英国纽卡斯尔的约瑟夫-斯旺爵士说,他在1878年的12月18日就已经发明了一个可以使用的电灯泡了,并且在1879年的1月18日拿到英国桑德兰市做过公开展出,足足比爱迪生早了10个月。
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