percolator

例句：

1. 3.
   用于液体的
2. 1. The percolator is used to filter out impurities from water.
   渗水器用来过滤水中的杂质。
3. 2. The percolator was designed to improve the taste of coffee by removing impurities.
   渗水器被设计来改善咖啡的味道，通过去除杂质。
4. 3.During the filtration process, the percolator filters out large particles and leaves only the finest particles.
   在过滤过程中，渗水器会过滤掉大颗粒，只留下最细小的颗粒。