摘要：近年来园林水景的做法，以壮观的水姿，喷流组成的美丽自由的图形，被人们所喜爱。
Abstract: : an approach of the Waterscape in recent years, with spectacular water posture, beautiful free jet composed of graphics, being loved by people.
这个想法是球充当了“反桨”的角色，强迫你用你的前臂而不是你的手来抓抱水。游任何泳姿、训练、甚至划水时都可以用这种方法。
The idea here is that the ball acts as an "anti-paddle" forcing you to use your forearms instead of your hands to hold onto water.
蛙泳中腿部蹬水的动作很可能是模仿青蛙的泳姿而来。
The leg action of the breaststroke may have originated by imitating the swimming action of frogs .
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