这个软件可筛除含儿童不宜内容的互联网网站。
The software filters out Internet sites whose content is not suitable for children.
这家公司允许研究小组的成员筛除被视为没有达到珠宝质量的石头。
The company allowed members of the research team to sift out stones not deemed to be of gem quality.
许多较重的杂质，经由各种不同的筛子筛除。
Screening separates much of the heavier trash by use of different-sized screens .
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