My office is in the seventh floor.

我的办公室在七楼。

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Then I looked down again and realized that between the first floor and the seventh floor there was nothing but empty space.

接着我又朝下看了看并意识到在第一层楼和第七层楼之间是空空如也的空间。

youdao

He lived on the seventh floor, and we took the elevator, a very large elevator, into which more than thirty people could have fit.

他住在七楼，我们乘上电梯，一部很大的电梯，里面能够容纳三十个人。

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Located on the seventh floor, the eatery has floor-to-ceiling windows with incredible views towards the Duomo.

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The patients on the seventh floor were among the sickest in the hospital, Pou said.

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The Terrass Hotel has a roof-terrace bar on its seventh floor, called, somewhat unsurprisingly, The 7th.

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