Read Edit View history 泝源 sùyuán to trace back to the source Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 泝源 sùyuán to trace back to the source To investigate the origin of something; to trace a river upstream to its source. Edit Delete References Add reference synonym 泝源/泝源 → 溯源/溯源 Edit Delete
泝源 sùyuán to trace back to the source To investigate the origin of something; to trace a river upstream to its source. Edit Delete