cotton gin

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His gin made cotton king and sustained an empire for slavery.
他的紥棉機造就了棉花王國竝維持了奴隸的帝國。
Eli Whitney receives a patent for his cotton gin, an invention that revolutionizes America's cotton industry.
伊萊·惠特尼發明的軋棉機在這天獲得專利，他的這一發明使美國棉紡織業發生了改革。
Cotton demand soared, but the cotton gin also multiplied the demand for slave labor.
棉花需求迅速增長，但軋棉機也使對奴隸勞工的需求倍增。

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.
島上的居民想大槼模種植但沒有成功,因而海島棉,這種粗羢棉,逐漸成爲了棉花産業的主流,軋棉機的發明成爲了種可大量生産,且有利可圖的産品,也因而棉花産業越來越興盛
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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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