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RE: 为防止自家狗狗怀孕，主人做了这个东西，狗狗:你知道我的感受吗
A dog’s sense of smell is 10,000 better than ours. They can even use this super sense to detect diseases such as cancers and diabetes.
A dog’s sense of smell is 10,000 better than ours. They can even use this super sense to detect diseases such as cancers and diabetes.