Pivalolactone
[化] 新戊内酯
🗣️ 情景例句
Her illness kept her in bed for a week.
她因生病而在床上躺了一星期。
Why are all those toys broken?
那些玩具为什么统统坏了？
I don't know.I've already had my holiday this year.
我不知道。今年我已度过假了。