求自由泳、仰泳和蛙泳简单的英文介绍，每样字数不超过一百，总的大概就是400多字就行。急，谢谢！

以上有语法错误，要注意

自由泳，竞技游泳四大泳式之一，在游泳竞赛中是最重要的项目。在自由泳比赛中运动员都选用速度最快的爬泳，由此自由泳多指爬泳。游自由泳时运动员俯卧水中，两腿交替上下打腿，两臂轮流划水，动作很像爬行。
Freestyle, swimming competition one of the four swimming in the swimming competition is the most important items. In the freestyle competition in the selection of athletes are the fastest Payong, which means more freestyle Payong. You freestyle at the athletes prone water, upper and lower legs alternately playing legs,two arms rotate the water movements, like reptiles.

仰泳是游泳项目之一。1900年第2届奥运会开始列为正式比赛项目。仰泳包括反蛙泳和爬式仰泳。反蛙泳是最早出现的一种仰泳，动作近似蛙泳，而身体姿势相反。即人体仰卧水面，两臂从头后经体侧向后划水。
Swimming is one of the backstroke. 1900 2nd Olympics as a medal sport. Backstroke including anti-climbing backstroke and breaststroke. Is the first anti-breaststroke in a backstroke, breaststroke similar movements, and body posture contrary. That the human body supine surface of the water, from scratch after Bence two arms back the water.

蛙泳是模仿青蛙游泳动作的一种姿势，身体几乎呈水平姿势俯卧在水中，头微抬起，腿臂动作对称，并且始终是在水下进行。
Breaststroke swimming action is to imitate a frog posture, the body was almost prone position in the water level, the first micro-lifted, legs arm movements symmetrical, and is always carried out underwater.