Epoxidation
[有化]环氧化作用
🗣️ 情景例句
you've been writing for the school paper.
你为校刊写文章。
I'd like to make an appointment to see Mr. Cooper.
我想预约见库珀先生。
They were puzzled by several things.
有几件事情使他们感到迷惑不解。