1、North American bison differ from domestic cattle in the number of their ribs.
北美野牛和馴養(yǎng)牛的肋骨數(shù)目不一樣。

2、The Yellowstone Park Bison herd is the largest public herd of American Bison in the United States.
黃石公園野牛群是美國最大的公共的美洲野牛群。

3、The rare European bison has a smaller head than the American bison and is slightly taller.
稀有的歐洲野牛的頭比美洲野牛的小，但個兒略微高些。

4、An American bison stands in a field on the Tallgrass Prairie Preserve in Oklahoma.
一只北美野牛佇立在俄克拉荷馬州的高草草原保護(hù)區(qū)。