凉水池

例句：

1. 1. The pool is surrounded by lush greenery.
   这个游泳池周围长满了郁郁葱葱的植被。
2. 2. We need to cool down the water before we start swimming.
   我们需要在开始游泳之前把水冷却一下。
3. 3. The cold water from the pool felt refreshing after a hot day.
   泳池里的冷水在炎热的一天后感觉非常清爽。