When Newton discovered gravity, and when Thomas Edison invented the light bulb, their curiosity was greatly satisfied.

当牛顿发现了万有引力、托马斯·爱迪生发明了灯泡时，他们的好奇心都得到了极大的满足。

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Gravity had always been, but Newton "discovered" it.

引力一直都是存在的，只是牛顿“发现”了引力。

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Sir Isaac Newton supposedly discovered gravity through the fall of an apple.

据称艾萨克·牛顿爵士通过苹果落地，发现了万有引力。

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We have a cultural picture in our head of Isaac Newton as an upstanding British gentlemen who discovered gravity by having an apple fall on his head.

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