Polybromination
多溴化反应
🗣️ 情景例句
Well, you really saved the day for me, Alexandra.
你真的帮了我一个大忙， Alexandra。
I will be shopping in New York in June.
我将在六月份在纽约购物。
Very strange. It was my first earthquake, you see, and I didn't know what was happening.
很奇怪。那是我第一次经历地震，你瞧，我当时还不知道发生了什么事。