Correct 云英岩 / yúnyīng yán / Strokes Example As a Noun greisen 1 Yún yīng 云英 yán huā 岩化 Copy Pinyin Sentence greisenization 云英岩 - Chinese Dictionary Example As a Noun greisen 1 Yún yīng 云英 yán huā 岩化 Copy Pinyin Sentence greisenization