Vinylation
乙烯化作用
🗣️ 情景例句
He went to Canada on business.
他因公赴加拿大。
I'm going to tell him what to do.
我正要告诉他应该如何做。
They have been told that rescue operations are progressing smoothly.
他们一直被告知营救工作进行得非常顺利。