Read Edit View history 括线 kuòxiàn vinculum Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 括线/括線 · kuòxiàn · vinculum 2026/03/04 括线 / 括線 kuòxiàn vinculum (math.) vinculum 数学中，括线可以用来表示循环小数。 noun created sense Mar 4, 2026, 02:25 AM