Either of two carnivorous mammals of the family Canidae, especially the gray wolf of northern regions, that typically live and hunt in hierarchical packs and prey on livestock and game animals.
狼：两种犬科食肉哺乳动物中的一种,尤指北方地区的灰狼,它们主要在区分等级的群体中生存和猎食家禽和野生动物
英语描写狼长短适中,我喜欢狼,写出为什么喜欢狼,写它的特点就行.