Read Edit View history 辅助线 fǔzhùxiàn auxiliary line Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 辅助线/輔助線 · fǔzhùxiàn · auxiliary line 2026/03/14 辅助线 / 輔助線 fǔzhùxiàn auxiliary line an additional line added to a geometric figure to aid in proving a theorem or solving a problem 在这儿画一条辅助线。 noun created sense Mar 14, 2026, 09:16 PM