created sense approved 凹洞 · āodòng · cavity — "Initial import from upstream dictionary"
凹洞
āodòng
cavity
cavity; pit
凹 (literal) → 凹 · āo · concave 洞 (literal) → 洞 · dòng · hole
Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition