矽镁层 Save Sign in to save words Traditional (Taiwan): 矽鎂層 xīměicéng ㄒㄧ ㄇㄟˇ ㄘㄥˊ sima (geology) silicon and magnesium layer in earth's crust Character by character 矽(xī)silicon 镁(měi)magnesium 层(céng)pile on top of one another A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0