Lactam
n. [化] 内酰胺, 乳胺
🗣️ 情景例句
Do you have this in other colors or sizes?
你有别的颜色或号码的吗？
Photography is an expensive hobby.
摄影是门花费很多的爱好。
The Shute family lived in the southern part of the USA.
舒特一家住在美国南部。