Chapter 863: Double Circulation

out it for today's practical lesson. 。Last, who would like to demonstrate some relatively complex actions according to your own preferences 。Teacher Duan's voice came through the communicator. 。Tang...ing!""You're such a fan girl!" Meng Xiaoran said irritably, but he didn't dare to block her view anymore. This woman was terrifying when she got obsessed. " 。The referee has taken the stage and is a...