凹凸 āo tū

uneven (surface); rugged; concave or convex

HSK 6

Word data

HSK 6
Frequency 38312th word

Definitions

  1. 1. uneven (surface)
  2. 2. rugged
  3. 3. concave or convex
  4. 4. bumps and holes

Characters

Character Meaning
凹 āo HSK 6
concave; sunken; indented
凸 tū HSK 6
to stick out; protruding; convex