凸面 tū miàn 🔊 convex surface + Review this word Meanings tū miàn convex surface Its characters 凸tūto stick outHSK 7–9面miànfaceHSK 2 Words with 凸面 凸面镜 tū miàn jìng convex mirror 凸面体 tū miàn tǐ convex body 双凸面 shuāng tū miàn convex on both sides (of lens)