油页岩 Save Sign in to save words Traditional (Taiwan): 油頁岩 yóuyèyán ㄧㄡˊ ㄧㄝˋ ㄧㄢˊ oil shale Character by character 油(yóu)oil 页(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