Read Edit View history 四角形 sìjiǎoxíng quadrilateral Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 四角形 · sìjiǎoxíng · quadrilateral 2026/03/04 四角形 sìjiǎoxíng quadrilateral (geometry) quadrangle; quadrilateral 正方形和长方形都是四角形。 noun created sense Mar 4, 2026, 02:25 AM