Like most animals, the pigs were immediately curious when researchers placed the shiny, reflective object in their pen.
和大部分别的动物一样，猪也马上对研究人员放在猪圈里面发光的、会反射的东西表现出好奇心。
Like most animals, the pigs were immediately curious when researchers placed the shiny, reflective object in their pen.
和大部分别的动物一样，猪也马上对研究人员放在猪圈里面发光的、会反射的东西表现出好奇心。
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