同根派生 American bison相关词英汉例句Bison, for instance, kept roaming the plains of America.例如，美洲野牛就仍然在美洲的平原上漫步。Bison thrive in Wyoming's Yellowstone National Park years after fires swept through more than a third of the park.美洲野牛在火焰横扫怀俄明州黄石国家公园的三分之一的几年后繁衍。American bison更多例句