cotton gin

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His gin made cotton king and sustained an empire for slavery.
他的扎棉机造就了棉花王国并维持了奴隶的帝国。
Eli Whitney receives a patent for his cotton gin, an invention that revolutionizes America's cotton industry.
伊莱·惠特尼发明的轧棉机在这天获得专利，他的这一发明使美国棉纺织业发生了改革。
Cotton demand soared, but the cotton gin also multiplied the demand for slave labor.
棉花需求迅速增长，但轧棉机也使对奴隶劳工的需求倍增。

They weren't very successful in growing it in huge amounts, but that short stapled cotton that eventually was the form of cotton that the cotton gin made into such a massive, marketable world product, is what made the cotton boom boom.
岛上的居民想大规模种植但没有成功,因而海岛棉,这种粗绒棉,逐渐成为了棉花产业的主流,轧棉机的发明成为了种可大量生产,且有利可图的产品,也因而棉花产业越来越兴盛
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Whitney, for example, almost completely failed to prevent infringement of his cotton gin patent, and as a consequence made very little money from his invention.
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Allowing your friend to believe that you too think her six-act play about the invention of the cotton gin is bound for Broadway and of course Hugh Jackman would be an excellent choice to play Eli Whitney is not an act of mercy, but one of cowardice (albeit well-intentioned).
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