Because he turned off the monitoring!Although the screen is gone, the monitor is still recording in real time.Chapter 683

Under the gaze of the old professor, Ou Yan stood up and politely said, "Professor, my name is Ou Yan."

"Finally, class is starting..." The old professor smiled, looking at the beautiful young girl before him. She seemed very intelligent.

>>When I have a cold, I usually just take one pack of Xiao Chai Hu and it's done. It's not like those who study traditional Chinese medicine, they have to pick herbs and simmer them...right Full marks for the top scorer" me when I was a child. It mentioned a medicine called Chuanxin Wu, which could inhibit the growth of toxins.""That's right, that's right! How could I have forgotten it!" The old man exclaimed happily...