The latest Japanese vacuum cleaners contain sensors that detect the amount of dust and type of floor.

日本最新款吸尘器装有传感器，能测出灰尘量和地板类型。

《柯林斯英汉双解大词典》

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Each house had about two hundred forty square meters of floor space.

VOA: special.2009.10.27

I know some of you come from Europe and other parts of the world where the ground floor is rez-de-chauss?e or some silly thing like this 1 and you push a button on the elevator to one and you go up to the first floor.

我知道你们中间有些人来自欧洲,或者世界其他地方，你们那里的一楼,和地面齐平，或者像这样可笑的事情,比如你要按下电梯的按钮,然后才能上到真正的1楼。

麻省理工公开课 - 固态化学导论课程节选

First, take the case in the elevator is on the ground floor of some building and completely addressed.

首先我们来看看电梯,在一楼时候的情况

耶鲁公开课 - 基础物理课程节选

Three years ago, U.S. building stock covered about 28 billion square meters of floor space.

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Mr Salsbury needs to slash the group's 12m square feet of floor space in Britain.

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All women should have sufficient pillows, and use of floor mats, a birth ball and bean bags.

BBC: NHS failings 'cause Caesarean hike'