炼liànto refine; to smelt; to temperHSK 7-9PronunciationliànExample sentence工人们用高温炉把铁矿石炼成纯铁。Gōngrénmen yòng gāowēn lú bǎ tiěkuàngshí liàn chéng chún tiě.Workers used a high-temperature furnace to smelt iron ore into pure iron.Read and choose an answerOne fixed sampleExplore a sample