Acetoacetate
乙酰乙酸
🗣️ 情景例句
I did , but everything is OK,so I decided to come back.
回去了， 但一切安好。于是我决定回来。
How are you doing these days?
这些日子你怎么样？
The second factor is more interesting and more fundamental.
第二点更有意思，也更重要。