柯林斯词典bison /ˈbaɪsən/ (bison) 1. N-COUNT A bison is a large hairy animal with a large head that is a member of the cattle family. Bison used to be very common in North America and Europe. 大野牛[英国英语] 返回 bison剑桥词典a large wild animal , similar to a cow but having a larger head and shoulders covered in hair , found in North America and Europe . The North American bison is also called a buffalo . （尤指北美）野牛 返回 bison