Read Edit View history 二氧化氮 èryǎnghuàdàn nitrogen dioxide Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 二氧化氮 èryǎnghuàdàn nitrogen dioxide noun 汽车尾气中含有大量的二氧化氮。 Edit Delete References Add reference No references for this word.