環面 Save Sign in to save words Simplified: 环面 huánmiàn ㄏㄨㄢˊ ㄇㄧㄢˋ ring surface annulus torus (math.) Character by character 環(huán)surname Huan 面(miàn)face A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0