Iowa is in the Midwest, or central middle part of the United States, just south of Minnesota.

爱荷华州位于中西部， 或美国中部，明尼苏达州南部。

Leavenworth Penitentiary is in Kansas, which is in the central middle of the United States – right in the middle.

莱文沃思监狱位于堪萨斯州，堪萨斯州位于美国的中部——就在正中间。