filtering

动词 filter:

1. remove by passing through a filter
   同义词：filter, filtrate, strain, separate out, filter out
2. pass through
   同义词：percolate, sink in, permeate, filter
3. run or flow slowly, as in drops or in an unsteady stream
   同义词：trickle, dribble, filter

1. It won't take long to filter the coffee.
   用不了多少时间就可以把咖啡过滤好。
2. A filter traps dust from the air.
   过滤网可存住空气中的尘埃。
3. All drinking water must be filtered.
   饮用水均须过滤净化。
4. New ideas are slowly filtering into people's minds.
   新思想逐渐深入人心。
5. You need to filter the drinking water.
   你需要把饮用水过滤。