filter out

基本解释

If you filter out celebrity based topics is there anything left?
如果你过滤掉基于名人的话题,还会剩下什么？
At this time of day you need to filter out the red light to take a good photo.
在一天的这个时候，你需要过滤掉红光才能把相照好。
Allowing users to filter out information from some users or groups is another way to improve a user’s experience.
让用户把一些来自某些用户和组的信息过滤掉是另一种改善用户体验的方式。

And actually, a question that might come up, I just explained, the sodium channel, you might say, well, how do potassium channels work then, because I can understand how you can filter something big out, but how do you filter out something small.
实际上，可能大家会问一个问题，我刚解释过，钠离子通道，你可以说，好吧，那么钾离子通道该如何起作用呢，因为我可以理解你是如何把大东西过滤掉的，但是你如何把小东西过滤掉呢？
麻省理工公开课 - 化学原理课程节选
What all of these channels have is what's called a selectivity filter, so this filter filters out the type of ion that's going to be allowed through.
这些离子通道都有的一部分,就是所谓的选择性过滤器，这个过滤器,会滤过允许穿过的离子。
麻省理工公开课 - 化学原理课程节选

Enterprises can filter out the noise and create a clear signal of their brand evangelists.
FORBES: SXSW - Dolphin Tank powered by Springboard Enterprises
This is possible using algorithms that filter out interference caused by external electrical activity.
ECONOMIST: Brainwave controllers

To filter out something from a substance or from light means to remove it by passing the substance or light through something acting as a filter.