Phthalazine
[化] 酞嗪; 2,3-二氮杂萘
🗣️ 情景例句
We will also need a letter of recommendation.
我们还要求一封推荐函。
A wise man will make tools of what comes to hand.
聪明的人能随机应变。
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；