filter out

phrasal verb

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filter something out

to remove something that you do not want from a liquid, light, etc. by using a special device or substance过滤掉
- to filter out dust particles/light/impurities过滤掉尘粒；滤光；过滤掉杂质
- The air was improving as the recyclers filtered out the smoke.由于循环净化器过滤掉了烟雾，空气质量正在改善。
to remove somebody/something that you do not want from a large number of people or things using a special system, device, etc.（用专门的系统、装置等）过滤掉，筛除，淘汰掉
- The test is used to filter out candidates who may be unsuitable.这个测验是用来淘汰不适合的求职者。
- The software filters out internet sites whose content is not suitable for children.这个软件可筛除含儿童不宜内容的互联网网站。