Read Edit View history 板沟 bǎngōu ledge Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 板沟/板溝 · bǎngōu · ledge 2026/03/04 板沟 / 板溝 bǎngōu ledge a ledge or tray at the bottom of a blackboard or whiteboard used for holding chalk or markers 老师把粉笔随手放在黑板下的板沟里。 noun created sense Mar 4, 2026, 02:25 AM