Flavol
黄醇, 1, 3-蒽二酚
🗣️ 情景例句
Mm, I'm in a hurry too.
哦，我也有点儿急事要办。
The napkin is dirty, Would you bring me a clean one, please?
这餐厅是脏的，请你拿个干净的给我。
Who do you think you are?
你以为你是谁？