和值计算公式法简介：But the students in Class 3 were an exception. Under the leadership of Qin Fen, they had calmed down and entered a state of cultivation. While others were still playing, they had already started practicing.
But the students in Class 3 were an exception. Under the leadership of Qin Fen, they had calmed down and entered a state of cultivation. While others were still playing, they had already started practicing.
