涉水者

例句：

1. 1. He is askilled swimmer who can swim 50 meters in less than two minutes.
   他是一名熟练的游泳者，能在不到两分钟的时间内游50米。
2. 2. The children wereswimming in the pool when it startedto rain.
   孩子们在游泳池里游泳时开始下雨了。
3. 3. Swimming is agreat way to stay fit and healthy.
   游泳是保持健康和活力的好方法。