广播电视英语短句 第 150 课：棉花的种植-1

In two thousand eight, scientists reported on a study of cotton grown in six provinces in northern China. 科学家在2008年报道了有关中国北部六省棉花的种植研究。

The study involved bollworms, a major threat to cotton farmers. 这项研究包含了威胁到棉花农户的害虫螟蛉。

It also involved Bt cotton, a plant genetically engineered to resist that threat. 其中也包含了对BT棉的研究，BT棉是一种抵抗虫灾的转基因工程植物。

Bt cotton plants naturally kill bollworms. BT棉可以自然的杀死螟蛉。

As a result, the study in China found that the cotton plants could also help protect nearby crops against damage by the insects. 因此在中国进行的这一研究也发现BT棉能帮助保护附近的作物抵抗虫害。