Filters do not remove all contaminants from water.过滤器无法过滤掉水中的所有污染物。A liquid filters through a strainer, into the receptacle beneath.液体经过过滤器流入下面的容器.Water filters through the sandy soil and into the well.水透过沙土渗透到井里....
The wheel revolved on its centre.轮子绕中心转动。He revolved the main points in his mind.他脑子里反复思考着这些问题。The conversation revolved around the terrible condition of the road.这次对话主要讨论这条路的糟糕路况。Overhead, the fan revolved slowly...风扇在头...