一级理论和二级理论的区别

In such a dense space, it was difficult for Ning Cheng to even wave Tianyun's wings, let alone teleport. His teleportation uses the instantaneous speed of Tianyun's wings, rather than the true teleportation of space transformation. If it was a true space transformation teleportation, he could ignore these star-devouring rats. But using speed, there is nothing we can do now....