Litholine
石油
🗣️ 情景例句
To ask if there is some mistake.
想问问是否搞错了。
My brother got up earlier than I did.
与我做了比，我的兄弟早起床了。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？