Read Edit View history 一氧化氮 yīyǎnghuàdàn nitric oxide Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 一氧化氮 · yīyǎnghuàdàn · nitric oxide 2026/03/04 一氧化氮 yīyǎnghuàdàn nitric oxide nitric oxide 一氧化氮是一种无色气体。 noun created sense Mar 4, 2026, 02:25 AM