Ketovinylation
酮乙烯化作用
🗣️ 情景例句
All we have to do now is shake hands.
现在我们所该做的只是握手了。
I'm under a lot of pressure.
我的压力很大。
I've come to make sure that your stay in Beijing is a pleasant one.
我特地为你们安排使你们在北京的逗留愉快。