herbicide

But water containing the herbicide cannot be released back into the river and it is known that low water levels can harm river ecosystems accustomed to higher levels.

但含有除草剂的水不能再排向河流，而且我们知道低水位将会对习惯于高水位的河流生态系统造成危害。

Genetically altered soybeans and cotton require less herbicide to control weeds. These varieties now make up more than 70 percent of all soybean and cotton acreage planted in the United States.

转基因的大豆和棉花不需要那么多除草剂来控制杂草，这些品种现在占美国大豆和棉花种植面积的70%以上。

Virtually all commercial GMOs are bred to withstand direct application of herbicide and/or to produce an insecticide.

事实上，所有的商业性的转基因生物都可以抵抗直接作用的除草剂和/或者制造一种杀虫剂。