Phthalazinyl
[化] 2,3-二氮杂萘基
🗣️ 情景例句
Run it by me again, if you don't mind.
不介意的话，请再说一遍。
What is happening down there?
下面发生什么事情？
I borrowed his copy of the timetable.
于是我借他本人的列车时刻表，