Ketonization
酮基化作用
🗣️ 情景例句
I think it's about time we got going.
我想差不多是告辞的时候了。
I don't like the way you always keep me waiting.
我不喜欢你常常让我久等。
After we had landed, the plane was searched thoroughly.
我们降落之后，飞机被彻底搜查了一遍。