聪明的猪，智慧无限，快乐无比。关晓彤每天要两次

　　Forget what you think you know about pigs. These remarkable animals have talents we're only beginning to understand. See how pigs have conquered nearly every habitat on Earth, thanks to their remarkable senses, intelligence, and adaptability. From the islands of Indonesia to the beaches of the Bahamas to the frozen tundra of Siberia, meet eight-inch pygmy hogs, cheetah-avoiding... (展开全部)