他著名是因为他发明了灯泡。
以伟大的美国科学家托马斯·爱迪生为例，他做了一次又一次的实验，失败了一次又一次才最终发明了灯泡。
Take the great American scientist Thomas Edison as an example. He tried experiment after experiment and had one failure after another before he finally invented the bulb.
爱迪生发明了很多东西，实际上他是历史上最著名的发明家之一，但电灯泡不在他的方面之列。
Edison invented a lot of things – in fact he’s one of the most famous inventors of all time – but the light bulb wasn’t one of them.
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