the basement roof

I worked in the basement of a Caltech campus building that had been periodically haunted by the specter of the upper half of a roofer who had fallen from the six story roof twenty years earlier.

我在加利福尼亚理工大学校内的一个地下室里工作。20年前，有个盖屋顶的工人从这栋六层楼的房顶摔了下去，从此，这楼就闹鬼，那个工人的上半身总在这楼里游荡。

He will examine the roof, attic, insulation, the home's heating and air-conditioning systems, the plumbing and electrical systems, walls, ceilings, floors, Windows, the basement and the foundation.

他会检查屋顶，阁楼，暖气，空调系统，水管，电路系统，墙壁，天花板，地板窗户，地下室，地基。

The building consists of 4 floors, basement, semi-basement, ground floor and first floor, with an important installation area on the roof area.

该建筑有4层，地下室，半地下室，底层和一层，并且在屋顶上有一个重要的安装区域。