Read Edit View history 凹洞 āodòng pit Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 凹洞 · āodòng · pit 2026/03/04 凹洞 āodòng pit a hole, depression, or hollow space in a surface 雨后，路面上的凹洞积满了水。 noun created sense Mar 4, 2026, 02:25 AM