猪
爱问问题的动物 什么都不会才问 你什么是后见到一个猪问你几岁了呀
到底是什么?
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单细胞动物.
黑狗熊_______平时说看你笨的象"黑狗熊"
体积重的，是不是！
Cow, because their brains react slower than other domestic animals. For example a cow would keep running into an electric fence a lot more times than other animals before it's brain can pick up the pain.
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