Decarbonylation
脱羰作用
🗣️ 情景例句
There is not a shadow of a doubt that they did it.
毫无疑问，是他们干的。
Fred will be happy to come to your party.
佛列德可能欣然去参加你的派对。
I've never been there.Have you ever been there, Ken?
我从未去过。肯，你去过吗？