C480 Teaching
Zhou Tianxiang's eyes were filled with anticipation, while Jiang Fann directly asked, "Do you know why the pill refinement just now failed? Where is the problem with the failure of the pill?"
Zhou Tianxiang said, "If I am not wrong, it should be the temperature. I did not control it well when I added the fire."
Jiang Fann nodded his head in satisfaction. This kid was indeed very talented