旋转曲面 Save Sign in to save words Traditional (Taiwan): 旋轉曲面 xuánzhuǎnqūmiàn ㄒㄩㄢˊ ㄓㄨㄢˇ ㄑㄩ ㄇㄧㄢˋ a surface of revolution (math.) Character by character 旋(xuán)revolve 转(zhuǎn)turn 曲(qū)surname Qu 面(miàn)face A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0