stilling basin

例句：

1. 1.The stilling basin is used to collect the water from the river.
   沉淀池用于收集河流的水。
2. 2. The stilling basin helps to remove pollutants from the water before it reaches the ocean.
   沉淀池有助于在流入海洋之前从水中去除污染物。
3. 3. The stilling basin is an important component of a wastewater treatment plant.
   沉淀池是污水处理厂的一个重要组成部分。