Lactam
n. [化] 内酰胺, 乳胺
🗣️ 情景例句
Well, Grandpa will be disappointed, too.
爷爷也会感到失望。
I'm sorry, but I think she's stepped out.
对不起，我想她出去了。
We don't want to go there.
我们不想去那儿！