Caproamide
[机] 己酸酐
🗣️ 情景例句
so that we don't have to worry about any structural problems.
我们就可以不用担心任何结构上的问题。
He had to resign, to save face.
为了保全面子，他不得不辞职。
I'm from Changsha. What about you?
我是长沙的。你呢？