Polyhydroxyketone
[医] 多羟酮
🗣️ 情景例句
I know. How old is she?
我知道。她多大了？
My uncle is a high school principal.
我的叔叔是一位高中校长。
We really wish you'll have a pleasant stay here.
我们真诚地希望你们在这里过得愉快。