Nitrogen pentoxide
[化] 五氧化二氮
🧩 词语组成解析
n. [化]五氧化物
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
Thank you but this is something I have to do on my own.
但有些事情我必须自己做主。
What a coincidence!
真是太巧了。