An underground area such as a home or office building basement offers more protection than the first floor of a building.

家里的地下停车场或者办公大楼的地下室要比停留在建筑物第一层能给你提供更多的保护。

youdao

Dutch lu tea party on the first floor of a building with three layers, a layer for the boot sector, customers simply stay on the first floor to third floor tea room.

荷庐茶会所位于建筑的一层与三层，一层为接待引导区，客户在一楼简单停留后到达三楼茶室。

youdao

The two-storey folded volume of the building with its projecting snout, bedrooms on the first floor and striking perforated bands along the façade looks like a built logo.

这个两层的建筑有一个向外突出的长鼻子结构，一层有卧室，二层表面有一条鲜明的穿孔黑金属带，酷似建筑的徽标。

youdao

State police and FBI tactical teams entered the first floor of a building in Herkimer around 8 a.m.

NPR: Answers Hard To Find After Deadly NY Gun Rampage

As the hard disk drive and drive component companies start to get back into their factories to access the damage there will undoubtedly be a lot of facility cleanup and repair and likely replacement of some expensive capital equipment particularly when this equipment was on the first floor of a flooded building.

FORBES: Capital Equipment Likely Needed for Thailand HDD Factory Repairs

State police and FBI tactical teams entered the first floor of the abandoned building around 8 a.m.

WSJ: Competing versions emerge of NY man who killed 4