C173

After running for half an hour in the gym, Yan Qingyi was so exhausted that she was out of breath. Her sweat was like rain.

After resting for ten minutes, Yan Qingyi continued with her elliptical exercise. This time, she did it for another half an hour. She was sweating all over, but her breathing was smoother than it had been when she was running.

By the time they finished all the exercises