一
氧
化
二
氮
一
氧
化
二
氮
Definitions5 charactersnitrous N2O/laughing
Usage•••frequent
Pronunciations
一
氧
化
二
氮
As word
1nitrous oxide N2O/laughing gas
2nitrous oxide N2O/laughing gas
3nitrous oxide N2O/laughing gas
4nitrous oxide N2O/laughing gas
5nitrous oxide N2O/laughing gas