a coffeepot in which boiling water ascends through a central tube and filters back down through a basket of ground coffee beans
例句
And also there is an old-fashioned kind where it boils, and the coffee takes a long time to make, that's called a percolator.还有老式的煮咖啡的器具，用它煮制咖啡需要很长的时间，它便是percolator。
