Hydroresorcinol
1, 3-环已二酮
🗣️ 情景例句
I've got to call a caterer.
我应该给宴会承办者打一个电话。
Admonish your friends in private, praise them in public.
在私底下要忠告你的朋友，在公开场合又表扬你的朋友。
Well, that pair looks nice. How much do they cost?
嗯，那双看来不错。多少钱？