Penilloaldehyde
[医] 青霉醛
🗣️ 情景例句
Yes, let me try. Oh, it's difficult. Will you show me how to do it?
好吧，让我试试吧！哦，真不容易。能教我怎么用吗？
The houses downtown are very expensive.
市区的房子很贵。
How do I look?
我看起来怎么样？