Phthalazine
[化] 酞嗪; 2,3-二氮杂萘
🗣️ 情景例句
But then I found out that people are the same everywhere
但是后来我发现哪里的人都是一样的
What should I do?
我该怎么办呢？
They aren't very busy!
他们不很忙吧！