You should have a smoke alarm outside each bedroom and on each floor of your home.

你应该在每间卧室外和家里的每层楼安装一个烟雾报警器。

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There is a fire exit on each floor of the building.

这栋建筑每层楼都有个消防通道。

《牛津词典》

Fire extinguishers are located on each floor and in each apartment.

每个公寓和楼层都有灭火器。

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"Promoting our common goals around education,health care, energy,public safety, and,I think in each of those areas, you actually see on the floor here new innovative ideas to take advantage of this general purposes technology that broadband is, and apply it to provide better services at lower cost in each of these areas."

VOA: special.2010.01.26

you would probably spend at least an hour or an hour and a half on each floor.

每层楼你大概要看一个或者一个半小时。

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The building was mostly American Georgian Revival, with its characteristic, symmetrical rows of windows on each floor.

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Eight to 10 people share a single room, with as many as 30 rooms on each floor, workers said.

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The greeting, uttered heartily by recruits standing watch on each floor of the three-story brick barracks, was not quite military protocol.

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