Read Edit View history 外环线 wàihuánxiàn outer ring Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 外环线/ 外環線 wàihuánxiàn outer ring noun · outer ring (road or rail line) 上海外环线的交通压力很大。 Edit Delete References Add reference No references for this word.