Anthrazine
[化] 二蒽并[1,2-1',2']哒嗪
🗣️ 情景例句
They'll be at your door within a few minutes.
他们会尽快送到你的门口。
We are used to working together.
我们习惯一起工作。
It was usually very quiet, and he could see the park from his window.
那儿通常很安静，从他的窗户他可以看见公园。