Levulinate
乙酰丙酸
🗣️ 情景例句
A diamond of this size is unique.
这种尺寸的钻石是独一无二的。
Don't run away!
别想溜！
Yes, I think we do. Lucy, we need some more hot water. Can you go and get some, please?
是的，再要些吧。露西，我们还要热开水。请你去弄些来，行吗？