美国出了个大发明家，他就是爱迪先生。

America has produced a great inventor in the person of Mr Edison.

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爱迪生缘何成为大发明家？

Unit 15 How Did Edison Become a Great Inventor?

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主语从句托马斯·爱迪生是个大发明家，这是众所周知的。

That Thomas Edison was a great inventor is known to all.

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我最崇拜的人上班托马斯爱迪生，他是美国的一个伟大发明家。

The one i admire most is Thomas Edison, he's a great inventor in American.

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我最崇拜的人上班托马斯爱迪生，他是美国的一个伟大发明家。

The one i admire most is Thomas Edison, he's a great inventor in American.

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