人类历史上最伟大的发明家托马斯。爱迪生，如果没有经历数千次失败的尝试后的坚持，怎么可能成功地制造出第一盏电灯？
How could Thomas Edison, one of the greatest inventors throughout the history of mankind who experienced numerous unsuccessful attempts, invent the first electric lamp without persistence?
除了被公认为史上最伟大的画家，达文西还是位科学家和发明家。
Besides being recognized as the greatest painter of all time, Leonardo da Vinci was also a scientist and an inventor.
除了被公认为史上最伟大的画家，达文西还是位科学家和发明家。
Besides being recognized as the greatest painter of all time, Leonardo da Vinci was also a scientist and an inventor.
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