表面外膜 Save Sign in to save words biǎomiànwàimó ㄅㄧㄠˇ ㄇㄧㄢˋ ㄨㄞˋ ㄇㄛˊ surface coat Character by character 表(biǎo)exterior surface 面(miàn)face 外(wài)outside 膜(mó)membrane A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0