Genetically modified corn, cotton and soybeans are grown in the U.S., Canada, Argentina and other countries, but genetically modified rice has so far not been grown on a major scale anywhere.
美国、加拿大、阿根廷等国都种植了转基因玉米、棉花和大豆，但转基因水稻迄今尚未在任何地区大规模种植。
In 2009, more than 85 per cent of American corn crops were genetically modified to either repel pests or to be tolerant to herbicides used to kill weeds in a cultivated field.
2009年，超过85%的美国玉米为转基因作物，以抵御害虫或不受农田所用除草剂的影响。
Some of Monsanto's genetically modified corn crops may be susceptible to a new superbug.
转基因农作物时代出现的超级害虫。
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