输缩赢冲步步归零简介：But Li Dao is still puzzled. Since there is a river underground, there should be a lot of water vapor. Why is there no moisture at all in this passage? Isn't this unreasonable?
But Li Dao is still puzzled. Since there is a river underground, there should be a lot of water vapor. Why is there no moisture at all in this passage? Isn't this unreasonable?
