a paper cone or small bowl that allows only water through and can be used to make coffee by slowly pouring hot water through crushed coffee beans in the cone or bowl

If you do use paper coffee filters and tea bags, seek out unbleached, biodegradable products 如果你确实使用纸质咖啡过滤器和茶袋，请寻找未漂白的、可生物降解的产品。

You can strain the broth through a coffee filter. 你可以用咖啡过滤器过滤肉汤。