Diazane
二氮烷, 肼
🗣️ 情景例句
My pleasure.
不客气。
Where is the ticket office?
售票处在哪儿？
From then on, Harry decided that this little game he had invented might prove to be expensive.
从那以后，他认识到自己发明的小小恶作剧是要付出很大的代价的。