They hunted bison, a type of wild animals which used to exist in huge numbers on the plains of America.

土族民族狩猎野牛，这是一种曾经在美洲平原上大量存在过的一种野生动物。

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Now that they could ride horses, it became easier to hunt the bison, a type of cattle which used to exist in huge numbers on the plains of America.

既然土著人会骑马了，猎取野牛也就容易了。这种野牛以前是成群结队地生活在美洲平原上的。

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Now that they could ride horses, it became easier to hunt the bison, a type of cattle which used to exist in huge numbers on the plains of America.

既然土著人会骑马了，猎取野牛也就容易了。这种野牛以前是成群结队地生活在美洲平原上的。

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