Phthalhydrazide
邻苯二甲酰肼
🗣️ 情景例句
So if you like the street-performance photos,
这么说 ，假如你喜欢街头表演的照片，
Offence is the best defence.
进攻是最好的防御。
I meant to tell you yesterday, but you were not in your office.
我原想昨天告诉你的，但你没在办公室。