It covered the ceiling and the walls and the floors.

天花板，地板，他们拍下了的最初的状态。

耶鲁公开课 - 1945年后的美国小说课程节选

So there's four floors, and the first two floors is regular housing.

有四层，头两层是普通区。

布朗的宿舍公寓 - SpeakingMax英语口语达人

When you live in the dorms, there's a floors called halls,

若你住在宿舍里，有些层会有共用厅，

住宿环境怎样？ - SpeakingMax英语口语达人

The... they used to have like three floors of a building.

他们曾有一栋三层高的楼。

旧金山的报纸 - SpeakingMax英语口语达人