一氧化氮 /yīyǎnghuàdàn/ angolul

nitric oxide▼(binary compound of nitrogen and oxygen)
noun
[UK: ˈnaɪ.trɪk ˈɒk.saɪd] [US: ˈnaɪ.trɪk ˈɑːk.ˌsaɪd]