Lactam
n. [化] 内酰胺, 乳胺
🗣️ 情景例句
We are quite interested in the joint venture.
我们对合资经营很感兴趣。
This problem is hard to solve.
要解决这个问题不简单。
All the other boys are Chinese. All of the Chinese students are Young Pioneers.
其余的男孩都是中国人。所有的中国学生都是少先队员。