I have been engaged in physical training for three years, and of course I have experienced three winter trainings. Now I'm in college. As the name implies, winter training is in winter, and the temperature in winter is relatively low. It is difficult to warm my body in this environment, and the air pressure is different from that in summer. You can't see any achievements in training in this environment.

Because you will find that there is no difference before winter training, but when winter training is over and the weather gets warmer, you will find that your grades have improved rapidly. This is because your body can't get full fever in winter, but your performance in winter training is no different from before. It has been proved that your performance has improved, because it is much more difficult to complete the same performance at low temperature than at room temperature, so you are at low temperature. After completing the same performance,