Phthalazone
[化] 2,3-二氮杂萘酮
🗣️ 情景例句
I've heard so much about you.
我知道很多关于你的事儿。
Pleased to meet you.
认识你很高兴。
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言，我们只关心一种费用-