一氧化氮 yīyǎnghuàdàn nitric oxide Definitions Defs Origin Strokes Stroke Words Sentences Sents 一氧化氮 yīyǎnghuàdàn nitric oxide nitric oxide; colorless toxic gas that acts as a signaling molecule in the body
一氧化氮 yīyǎnghuàdàn nitric oxide nitric oxide; colorless toxic gas that acts as a signaling molecule in the body
