一级理论和二级理论的区别

Tsk, from his dantian to his fingertips, from his ankles to the top of his head, Yang Ji's energy and blood surged, and his whole body turned red. The blood and energy in the body suddenly seemed to have broken free of its own shackles. Like countless horned dragons, they were about to come out of the body's apertures. The momentum was like a wild horse that escaped from the frontier!...