平面波 Save Sign in to save words píngmiànbō ㄆㄧㄥˊ ㄇㄧㄢˋ ㄅㄛ a plane wave Character by character 平(píng)surname Ping 面(miàn)face 波(bō)Poland A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0