过滤 guòlǜ to filter
怎么记住“过滤”: 过 to cross + 滤 to filter = to filter.
汉字
用法
- To filter - remove unwanted matter - 过滤杂质 (guòlǜ zázhì) to filter out impurities.
- Also very common figuratively/digitally: 过滤信息 filter information; 过滤广告/敏感词 filter ads/sensitive words.
- Note reading 滤 (lǜ). Covers physical filtering (water, air) and screening/sifting content - the sense of letting good through, blocking bad.