A protective coating of colloidal silver is painted on the inside and outside of the filter to kill bacteria.
VOA: special.2009.06.22
Once you can see it and once you can step back from it, then you can also decide, "This pass is my filter. This pass is my constraint.
一旦你看到了它,一旦你能退一步思考它,你就能决定,这么走可以去伪存真,这么走会遇到困难。
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。
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
And there's two parts of the filter.
这个过滤器由两部分组成。
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