凹凸
āo tū
HSK level: HSK 2.0 · 6
Meaning
concave or convex; bumps and holes; uneven (surface); rugged
Learn in the app → Write in stroke order
āo tū
HSK level: HSK 2.0 · 6
concave or convex; bumps and holes; uneven (surface); rugged
Learn in the app → Write in stroke order