Polyhydroxyketone
[医] 多羟酮
🗣️ 情景例句
Could I have the bill, please?
我能买单吗？
Of young men die many, of old men escape not any.
年轻人死得不少，而年迈者是在劫难逃。
I will continue my learning, though I am tired of learning English.
尽管我很烦英语，我还是要学它。