1. They were on the upper floor of the building. 他们在该建筑物的上层。
2. There is a good restaurant on the upper floor. 楼上有一家很好的餐馆。
3. Led his squad off to the upper floor. 带着他的小队到楼上去。
4. All students have access to the Writing Center on the upper floor of this building. 所有学生都可以进入这栋楼上层的写作中心。
5. Mail that was already processed in New Orleans facilities was moved to an upper floor so it would be protected from water damage. 经过新奥尔良设备处理的邮件被转移到上层,这样可以避免水对邮件造成损坏。