稀有元素 xī yǒu yuán sù 🔊 rare element + Keep this word Meanings xī yǒu yuán sù (chemistry) rare element Its characters 稀xīsparse; scatteredHSK 7–9有yǒuto have; there isHSK 1元yuányuan (as written)HSK 1素sùraw silkHSK 7–9