简介：Dogs have long been dependable companions by our sides. But it wasn’t always that way, and a look at their closest living relative, the wolf, makes it clear why. Research into dog domestication and intelligence offers clues into the human-dog relationship. And analyzing dogs’ brain activity and genes may even help answer whether dogs are in it for the food—or if they really love us..365影院为您提供《狗的故事》免费在线观看，及播出时间。喜欢的话，不要忘记分享给好友哦
