Maize belt的用法和樣例：
例句
- The American Midwest is known as the corn belt-- that is where most of the nation's corn is grown.
美國中西部以玉米帶聞名於世，那裡是美國大部分玉米的產地。 - Objectives of our study were to introgress elite subtropical and tropical germplasm with elite U.S.Corn Belt germplasm.
我們的研究目標是將優良的熱帶和亞熱帶種質通過漸滲雜交的方式導入美國玉米帶種質。
