他住在这栋楼的第三层。

He lives on the third floor of the building.

我们住在这栋楼的第三层。

We live on the third floor of this building.

她住在第三层楼。

She lives on the third floor.

第三层是后台数据库。

The third tier is composed of back-end database.

他住在往上数第三层楼。

He lives three floors up.

美国流行文化展览也设在第三层.

An exhibit of American popular culture is also on the third floor.

我知道了。男式服装部在第三层。

I see. The men's clothes department is on the third floor.

第一层（第二层、第三层等）甲板室

First tier (second tier, third tier, etc. ) deckhouse

第二层是三个侍女，第三层是五个男性的宫廷音乐家。

On the second tier are three ladies-in-waiting, and on the third are five male court musicians.

第二层是三个侍女, 第三层是五个男性的宫廷音乐家.

On the second tier are three ladies - in - waiting, and on the third are five male court musicians.