Phthalanone
邻羟甲基苯甲酸内酯
🗣️ 情景例句
I frankly don't know what to do about it.
我真不知道该怎么解决。
I just don't know what to say.
我就是不知道说什么。
Is there anything else that you want me to get?
您还要我买别的东西吗？