岩石層 Save Sign in to save words Simplified: 岩石层 yánshícéng ㄧㄢˊ ㄕˊ ㄘㄥˊ rock stratum Character by character 岩(yán)cliff 石(shí)surname Shi 層(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