Naphthenone
环烷酮
🗣️ 情景例句
I thought you were proud of the work I do.
我还以为你为我所做的工作感到骄傲。
What do you think I should do?
你想我该怎么做呢？
It is impossible to give a satisfactory explanation for a pot-holer's motives.
要想对洞穴探险者的动机作出满意的解释是不可能的。