凹凸形
Traditional form:
凹凸形
Pinyin (reading):
āotūxíng
Definitions:
- crenelated; corrugated
Characters:
- 凹 - concave, hollow; depressed; pass, valley
- 凸 - to protrude, to bulge out; convex
- 形 - form, shape; to appear; to describe; to look
Traditional characters: