如何使用 "flat" 造句

1. For centuries the ancients believed the earth was flat .
古人认为地球是扁平的,那样过了几个世纪。
2. But at wimbledon the playing field is flat .
但在温布尔登,比赛场地是平的。
3. In fact , the floor is absolutely flat .
其实,那里的地板是完全平坦的。
4. Even in companies , traces of this flat structure exists .
甚至在公司里,这种平面结构的踪迹也存在。
5. They sent a laser beam past a spherical electrode toward an oppositely charged flat electrode .
他们让一束激光穿过一个球形电极打向一个极性相反的平板电极。