Quercin
[医] 槲皮苦素, 栎苦素
🗣️ 情景例句
What's wrong, Susan?
有什么问题吗， Susan？
I know the boy whose father is a professor.
我知道那个男孩的父亲是大学教授。
My brother has never been abroad before, so he is fending this trip very exciting.
我弟弟以前从未出过国，因此，他觉得这次旅行非常激动人心。