A filter is designed to reject some substances, while permitting others to pass through.
VOA: special.2010.01.05
Ultimately, we need a filter or a lens to talk about then what is ultimately in control.
最终,我们需要一个视窗,一个镜头,来讨论什么是最终的控制者。
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。
The original design of the ceramic filter came from a chemist in Guatemala,Fernando Mazariegos.
VOA: special.2009.06.22
The sovereign representative acts, you might say, like a filter for the wills and passions of the people.
而君主代表的行动,就像人民意志和力量的过滤器。
In simple terms, think of snow or ice as a filter.
VOA: special.2010.01.05
Your natural defenses that might provide some kind of a buffer between a commercial message and your behavior, you have a filter, a screen that helps you interpret these message.
人天生的防御心理能够,为商业信息和人类行为之间提供缓冲,电视屏幕像一个过滤器那样,隔离了人和商业信息
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