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在19世纪80年代，美国中部的高地平原大草原是由农民和牧场主开垦的。
The vast grasslands of the High Plains in the central United States were settled by farmers and ranchers in the 1880s.
youdao
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“高地平原，”他父亲在前排座位说。
"High plains," his father said from the front seat.
youdao
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“高地平原，”他父亲在前排座位说。
"High plains," his father said from the front seat.
youdao