凹下 āoxià to sink in Definitions Defs Origin Strokes Stroke Words Sentences Sents 凹下 āoxià to sink in to become hollow, concave, or sunken; to dent inward Cross-References Antonym 凸起 tūqǐ隆起 lóngqǐ
凹下 āoxià to sink in to become hollow, concave, or sunken; to dent inward Cross-References Antonym 凸起 tūqǐ隆起 lóngqǐ
