泥質頁岩 Save Sign in to save words Simplified: 泥质页岩 nízhìyèyán ㄋㄧˊ ㄓˋ ㄧㄝˋ ㄧㄢˊ mudstone Character by character 泥(ní)mud 質(zhì)character 頁(yè)page 岩(yán)cliff A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0