Read Edit View history 残余沾染 cányúzhānrǎn residual contamination Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 残余沾染/ 殘餘沾染 cányúzhānrǎn residual contamination 必须彻底清除实验室设备上的残余沾染。 Edit Delete References Add reference No references for this word.