Read Edit View history 凹凸 āotū concave-convex Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 凹凸 āotū concave-convex having both depressions and protrusions; characterized by bumps and holes 这种拼图利用凹凸的边缘进行咬合。 Edit Delete References Add reference No references for this word.
凹凸 āotū concave-convex having both depressions and protrusions; characterized by bumps and holes 这种拼图利用凹凸的边缘进行咬合。 Edit Delete