filter

我需要为我的咖啡机买一个新的过滤器。

I need to buy a new ___filter for my coffee machine.

水族箱的水过滤器需要每月清洗。

The aquarium's water ___filter needs cleaning every month.

关于该事件的信息逐渐为人所知花了一些时间。

Information about the incident took a while to ___filter ___through.