凹凸轧花 āo tū yà huā

DEFINITIONS

  1. embossing

CHARACTERS

凹 āo
HSK 6
concave, hollow, depressed; a pass, valley
凸 tū
HSK 6
protrude, bulge out, convex
轧 yà crush by weight; grind
花 huā
HSK 3
flower; blossoms