固定单双公式规律简介：The two of them moved around, and in less than half an hour, they arrived at a very high altitude. Looking down, even the top of the mountain where they were before was the size of an ant.
The two of them moved around, and in less than half an hour, they arrived at a very high altitude. Looking down, even the top of the mountain where they were before was the size of an ant.
