Acetulan
[化] 乙酰化羊毛脂醇
🗣️ 情景例句
What currency do they use in U.S.A.?
在美国人们用什么货币？
It was not as good as I had expected.
那不如我想象的好。
First turn the gas off and cover the pan.
首先，把煤气关上，盖上油锅。