It's on the third floor.

它在三楼。

There's a bookstore on the third floor.

三楼有一家书店。

My office is only on the third floor of the building, so quite low.

我的办公室只在大楼的三楼，所以相当低。

She lives on the third floor.

她住在第三层楼。

Our office is on the third floor.

我们的办公室在三楼。

The chem lab is on the third floor.

化学实验室在三楼。

There is a café on the third floor.

三楼有一个咖啡厅。

The meeting room is on the third floor.

会议室在三楼。

The Pedi department is on the third floor.

儿科部门在三楼。

The conference room is on the third floor.

会议室在三楼。