Iowa is in the corn belt.

衣阿华州地处玉米带。

youdao

And the ethanol industry still has a mighty hold on America's corn belt.

乙醇工业也还在美国的玉米带有很强的影响力。

youdao

And the ethanol industry still has a mighty hold on America's corn belt.

乙醇工业也还在美国的玉米带有很强的影响力。

youdao