" She haunts the girls' toilet on the first floor, " said Hermione.

“她待在一楼的女生盥洗室里。”赫敏说。

On the first floor, there are six bedrooms.

第二层楼有六间卧室。

Refreshment will be available on the first floor.

一层有点心提供。

They have an office on the first floor.

他们在一楼有一间办公室。

On the first floor. Room 101.

在一楼， 101教室。

Let's have a race to the first floor.

我们比赛谁先到一楼。

16. Refreshment will be available on the first floor.

一层有点心提供。

The man was collecting building materials when the first floor collapsed underneath him.

这名男子正在捡拾建筑材料时，突然下方一楼开始倒塌。

Well, Donna is with her grandkids on the first floor.

唐娜和她外孙们在二楼。

I thought this meeting was on the first floor.

我以为这次会议在一楼。