矽鎂層

矽镁层
xīměicéng
  1. sima (geology)
  2. silicon and magnesium layer in earth's crust

CEDICT

geology

Entry Composition

1 矽 xī
  1. (Tw) silicon (chemistry)
  2. Taiwan pr. xì
2 鎂 měi magnesium (chemistry)
3 層 céng
  1. to pile on top of one another
  2. layer; stratum
  3. floor (of a building); story
  4. (math.) sheaf
  5. classifier for layers