flatlands meaning in English

平地

16 , 000 a mile for flatlands graded and tracked
平整的土地减缓坡度，做好路轨一英里16000
We are traveling by train . out the windows , we drink in the passing scene of cars on nearby highways , of children waving at a crossing , of cattle grazing on a distant hillside , of smoke pouring from a power plant , of row upon row of corn and wheat , of flatlands and valleys , of mountains and rolling hillsides , of city skylines and village halls
乘着火车,我们领略着窗外流动的景色：附近高速公路上奔驰的汽车、十字路口处招手的孩童、远山上吃草的牛群、源源不断地从电厂排放出的烟尘、一片片的玉米和小麦、平原与山谷、群山与绵延的丘陵、天空映衬下城市的轮廓,以及乡间的庄园宅第! 。
We are traveling by train . out the windows , we drink in the passing scene of cars on nearby highways , of children waving at a crossing , of cattle grazing on a distant hillside , of smoke pouring from a power plant , of row upon row of corn and wheat , of flatlands and valleys , of mountains and rolling hillsides , of city skylines and village halls
乘着火车,我们领略着窗外流动的景色：附近高速公路上奔驰的汽车十字路口处招手的孩童远山上吃草的牛群源源不断地从电厂排放出的烟尘一片片的玉米和小麦平原与山谷群山与绵延的丘陵天空映衬下城市的轮廓,以及乡间的庄园宅第