定速巡航 dìngsùxúnháng cruise control Origin Definitions Defs Strokes Stroke Words Sentences Sents 定 dìng verb to decide to fix; to set; to determine; to reach a decision速 sù nounverb speed (bound form) speed; velocity; rate of movement巡航 xúnháng verb to cruise to cruise at a steady speed; to patrol territorial waters or airspace