二楼的

Once a middle-aged man did that with the backmost room on the second floor.

一次一位中年男子租楼最靠里的一间房。

Wait, can you check these sunglasses? I bought it in the second floor. I think they forgot to demagnetize it.

等一下，您能看看这副太阳镜吗？楼买的。想们忘给它。