FS是free style的缩写，意思是自由风格。
free style
音标：
英 [fri: stail] 美 [fri staɪl]
释义：
n.自由式
双语例句：
1、The swimmer won a bronze in the free style.
那位游泳选手赢得了自由式的铜牌。
2、Yes. I can also teach you the free style and the breaststroke.
可以。我还可以教你自由式和蛙式。
3、That is my guide for free style.
这是我关于自由泳对你们的指导。
4、Look at the blue sky, let the sunshine touch your face in free style.
看关蓝色的天空，让阳光随性地洒在你的脸上。
5、In the past, short-distance free style swimming competitions were dominated by players from Western countries.
在过去，短距离自由泳领域一直为西方运动员称霸。