Acetoacetate
乙酰乙酸
🗣️ 情景例句
I went to the supermarket to get a few things,
我去一趟超级市场， 买了几样东西，
A watched pot(pan) is long in boiling.
心急水不沸；盼得越切，来得越迟。
There was a big smile on her face.
她脸上充满笑容。