convexadj.中凸的；凸圆的；凸面的n.凸状；凸面体；凸透镜convex vein凸脉convex base凸榫基础convex hall凸包convex bead玻璃腻子凸线条convex scan凸面扫描convex cell凸胞腔convex body凸体convex tool光学玻璃凸面磨具convex flow凸岸水流convex joint凸缝