过滤guòlǜto filter; to sift throughHSK 7-9PronunciationguòlǜExample sentence饮用前请把水过滤一下。Yǐnyòng qián qǐng bǎ shuǐ guòlǜ yíxià.Please filter the water before drinking it.Read and choose an answerOne fixed sampleExplore a sample