在发明电灯之前他做了大量的实验。
He had done a lot of experiments before inventing the light bulb.
电灯时一个发明。
电灯的发明者爱迪生在幼年时曾被认为很愚钝。
Edison, the inventor of light, was said to be stupid when he was young.
他发明了留声机、动态影片以及电灯泡。
He invented the phonograph, the motion picture, and the electric light bulb.
电不是爱迪生发现的，但他发明了电灯。
Electricity was not discovered by Edison, but he invented the electric light.
人们都知道是爱迪生发明了电灯。
电灯是爱迪生发明的。
人所共知爱迪生发明了电灯。
电灯泡是个很伟大的发明。
众所周知，托马斯·爱迪生发明了电灯。
It is well known that Thomas Edison invented the electric lamp.
电灯是爱迪生发明的。
爱迪生发明了电灯。
电灯泡是何时发明的？
你知道谁是电灯的发明者？
根据本发明的放电灯具有相对较高的维护。
The discharge lamp according to the invention has a comparatively high maintenance.
我这样的好女子，回来发明了电灯泡，只是想让你心疼我一次，男人调情是天性。
Is there a person you countless times that you want to give up.
我这样的好女子，回来发明了电灯泡，只是想让你心疼我一次，男人调情是天性。
Is there a person you countless times that you want to give up.
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