经过生物工程改造的棉花种植场可以生产自己的抗棉铃虫杀虫剂，而棉铃虫是造成农作物歉收的主要原因，直到今年，棉铃虫的危害都很小。

Plantings of cotton bioengineered to produce its own insecticide against bollworms, a major cause of crop failure, sustained little bollworm damage until this year.

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他从事棉花种植的研究已有20年之久。

He has been engaged in the study of cotton-growing for 20 years.

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中国是世界上棉花种植面积最大的国家之一。

China is one of the largest cotton planted countries in the world.

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And he was sold for $1000.00 to an Alabama cotton planter who came up to Richmond twice a year to buy slaves.

他被以一千美元的价格卖给了一个每年两次,来里士满收购奴隶的亚拉巴马棉花种植主

耶鲁公开课 - 美国内战与重建课程节选

But his older brother, Joseph, went out to Mississippi and struck it rich in cotton.

但他的哥哥约瑟夫,去了密西西比并且依靠棉花种植致富

耶鲁公开课 - 美国内战与重建课程节选

Jefferson Davis is, in fact, a classic example of the cotton boom planter.

实际上,杰斐逊·戴维斯,是棉花种植者暴富的典型例子

耶鲁公开课 - 美国内战与重建课程节选