旋轮线 xuánlúnxiàn cycloid Definitions Defs Origin Strokes Stroke Words Sentences Sents 旋 xuán verb to revolve to revolve; to circle; to spin; to whirl轮 輪 lún noun wheel wheel; circular part in a machine or vehicle that rotates; disk or ring线 線 xiàn noun line (geometry) (geometry) the figure formed by a moving point
