corn belt

基本解释

Piauí is one of the country’s driest areas but still gets a third more water than America’s corn belt.
皮奥伊州是巴西最干旱的地方，但这里比美国玉米生产带的水源还多三分之一。
Scientists have detected the insecticide in a significant number of streams draining the great corn belt of the American mid-West.
科学家们在美国中西部玉米种植带的很多排水系统中都检测到这种杀虫剂。
The same logic applied in the eastern counties of North and South Dakota, in south-west Minnesota and in other parts of the corn belt where getting corn to market is costly.
同样的情形也存在于南北达科达州的东部地区、明尼苏达州西南部地区以及其他处于玉米带中的、将玉米运到市场费用高昂的地方。

But then he flip-flopped in order to obtain electoral support from the Corn Belt.
FORBES: Ethanol Subsidies: Dumping Corn In The Ocean Would Be A Better Idea
Flooding in the U.S. corn belt, the world's largest corn-producing region, has contributed to the week's price run-up.
FORBES: Magazine Article
For current commercial processes, the highest concentration of biomass is in the Corn Belt states of Iowa, Nebraska and Minnesota.
FORBES: America's Best Places For Alternative Energy