Updoming
n. [地](岩体之)上扩成穹丘形
🗣️ 情景例句
I guess you do have two career opportunities
我想你的确是有两个事业机会
What's your family name?
你姓什么？
The eraser goes from one student to another first one way, then another.
橡皮擦从一个学生传给另一个学生－先从这个方向传过去，然后返回来。