Dinitrogen monoxide is also known as laughing gas.
一氧化二氮又叫做笑气。
2
One dinitrogen pentoxide molecule contains two nitrogen atoms and five oxygen atoms.
分子中含有两个氮原子和五个氧原子。
3
There, in a process called denitrification, microbes convert the nitrogen into nitrous oxide (also called laughing gas) and an inert gas called dinitrogen.