铜tóngcopper (the metal)HSK 6PronunciationtóngExample sentence铜是一种导电性很好的金属。Tóng shì yī zhǒng dǎodiàn xìng hěn hǎo de jīnshǔ.Copper is a metal with excellent electrical conductivity.Read and choose an answerOne fixed sampleExplore a sample