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狗为什么伤心,原因是什么

狗伤心难过会哭吗 狗一直流眼泪是为什么

狗狗难过不会哭,因为狗狗不会像人一样用眼泪来表达情绪。它们的眼睛生理结构与人不同,人的泪腺连接着眼睛,伤心时眼泪就会从眼睛流出来,但是狗的泪腺连接的是鼻子和喉咙,并不是眼睛,所以狗狗在感觉伤心时不会流出眼泪。

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