Read Edit View history 二氧化硫 èryǎnghuàliú sulfur dioxide Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 二氧化硫 èryǎnghuàliú sulfur dioxide noun · sulfur dioxide SO2 二氧化硫是一种常见的空气污染物。 Edit Delete References Add reference No references for this word.