Over the centuries selective breeding has pulled at the canine body shape to produce what is often a grotesque distortion of the underlying Wolf.
经过几个世纪的选择性育种，狗已经产生与狼一样奇异的变形了。
Over the centuries selective breeding has pulled at the canine body shape to produce what is often a grotesque distortion of the underlying Wolf.
经过几个世纪的选择性育种，狗已经产生与狼一样奇异的变形了。
应用推荐