storey

我们的办公室在一栋三层楼里。

Our office is in a three-___storey building.

这座博物馆是单层结构，内部空间宽敞。

The museum is a single-___storey structure with a spacious interior.

这座三层的办公楼可以容纳200名员工。

The three-___storey office building can accommodate 200 employees.