详细解释:n. 过滤
【化】 过滤
【医】 过滤, 滤过; 滤光
英语解释：
名词 filtration:
the process whereby fluids pass through a filter or a filtering mediumthe act of changing a fluid by passing it through a filter详细解释：
fil.tra.tion
n.（名词）The act or process of filtering.过滤：过滤的行为或过程