Read Edit View history 摆线 bǎixiàn cycloid Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 摆线/擺線 · bǎixiàn · cycloid 2026/03/04 摆线 / 擺線 bǎixiàn cycloid cycloid 这条曲线在数学上被称为摆线。 created sense Mar 4, 2026, 02:25 AM