运动场上,声音嘈杂,气氛热烈,竞争激烈。运动员之间,运动员与教练之间用有声语言沟通非常困难,手势成了最快捷、最明白、最隐蔽的沟通方法。有些田径比赛,教练员不能进入场地,这时教练就会坐到面 On the sports ground, the sound is noisy, the atmosphere is warm and the competition is fierce. It is very difficult for athletes to communicate with coaches in audible language. Gestures have become the quickest, clearest, most covert communication method. In some track and field competitions, coaches cannot enter the court and the coach will sit down