它在二楼。

It is on the second floor.

有的，在二楼。

Yes. It's on the second floor.

图书馆在二楼。

The library is on the second floor.

男性的洗手间在二楼。

The men's restroom is on the second floor.

我们的办公室在二楼。

Our office is on the second floor.

院长的办公室在二楼。

The president's office is on the second floor.

中校的办公室在二楼。

The Lieutenant Colonel's office is on the second floor.

他们在二楼开了一家新餐馆。

They opened a new restaurant on the second floor.

这个商场的公共厕所在二楼。

The sanitary facility in this mall is on the second floor.

男士区在二楼。

The gents' section is on the second floor.