My classroom is on the three floor, the room is bright and spacious, clean and dry by the students.

我的教室在三号楼，这个教室明亮宽敞，被同学们打扫得干干干净。

youdao

Three large globes stand on the floor.

地板上立着三个大地球仪。

《柯林斯英汉双解大词典》

There was a couple on the second floor, and two women and three kids on the ground floor, but no one was badly hurt.

二楼有一对夫妇，一楼有两名妇女和三个孩子，但没有人受重伤。

youdao

On the floor below these aircraft are three spacecraft command ships.

VOA: special.2010.07.07

It's seriously cool -- the clients all see the server's tuners as their own, so the experience is seamless, and since it all runs on the Tru2way stack, it doesn't matter what kind of client you plug in -- the three clients on the show floor were running interfaces from Intel, Comcast (Rovi), and Digeo.

ENGADGET: Video: Intel Tru2way server streams cable all over your house

The Derry boxer was in control from the start and had the 19-year-old on the floor on three occasions before the referee intervened to halt the fight.

BBC: SPORT | Boxing | Duddy maintains unbeaten record

One of the three judges ended up on the floor in convulsions.

BBC: The perfect chilli con carne in the heart of Texas