Naphthology
石油科学
🗣️ 情景例句
that I never could have done this book
我不可能完成这本书
Evil gotten, evil spent.
悖入悖出。
Every day he does the same thing. Why doesn't he use the lift for the last three floors?
每天他都这样度过。为什么上最后3层楼他不用电梯呢？