Read Edit View history 环线 huánxiàn circle line Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 环线/環線 · huánxiàn · circle line 2026/03/04 环线 / 環線 huánxiàn circle line a circular public transportation route, such as a subway or rail line that forms a loop 他在地铁环线上坐过了站。 noun created sense Mar 4, 2026, 02:25 AM