Lactam
n. [化] 内酰胺, 乳胺
🗣️ 情景例句
Please stay where you are, we'll have a patrol car there in two minutes.
请您呆在原地，两分钟之内我们派巡逻车过来。
Why aren't you happy?
为什么无聊呢？
Do they go to school in China?
他们在中国上学？