The open stairway leads to the lower level.

开放式的楼梯通向较低的楼层。

We will come back to this and flush out some of these lower level details.

我们将回到这一点，并省略一些较低层次的细节。

Residents of Foggy Bottom frequent the complex to shop in the supermarket or pharmacy on its lower level.

雾谷的居民经常到大厦底层的超市或药店购物。

Dashan: How do we get to the lower level?

大山：到楼下怎么走？

These are the passages of the lower level.

下面一层楼的过道。