Baer conducts the reaction drills on dry land, and after his kids have the hang of it over the course of several days or a week, he moves them to the start itself.

• 巴尔指导他的学生们在陆地上做反应训练，经过几天或者一周左右的训练课后，他再带着学生们开始真正的（水中）出发练习。