大单小单大双小双公式简介：When Lu Tao heard Liu Qing's shout, he instinctively patted the two of them on the shoulders, motioning them to follow, and then quickly ran towards the two-story building where Liu Qing was.
When Lu Tao heard Liu Qing's shout, he instinctively patted the two of them on the shoulders, motioning them to follow, and then quickly ran towards the two-story building where Liu Qing was.
