- 凹 low-lying area; depression
- 耳 ear
- 凹耳机 female lug
- 凹耳蛙 rana tormotus
- 凹多面体 concave polyhedron
- 凹多边形 concave polygon; [数学] reentrant polygon
- 凹反射光栅 concave reflection grating
- 凹钝角 compression corner; concave corner
- 凹缝 concave joint; deep seam; deepseam; groove joint; grooved joint; open joint; rebate; recessed joint
- 凹对策 concave game
- 凹浮雕 intaglio rilevato
- 凹端的 hollowended
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Last modified time:Thu, 14 Aug 2025 00:29:56 GMT