Read Edit View history 垂线 chuíxiàn perpendicular Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 垂线/垂線 · chuíxiàn · perpendicular 2026/03/04 垂线 / 垂線 chuíxiàn perpendicular a line drawn perpendicular to another line or a plane; a vertical or plumb line 请从三角形的顶点向底边画一条垂线。 created sense Mar 4, 2026, 02:25 AM