Nitronaphthylamine
[化] 硝基萘胺
🗣️ 情景例句
That's a great idea, Grandpa!
这太好了， 爷爷。
Everybody's business is nobody's business.
人人都管，大家不管。
He set up a fine example to all of us.
他为我们树立了一个好榜样。