The change in air pressure associated with a sonic boom is only a few pounds per square foot — about the same pressure change experienced riding an elevator down two or three floors.

和音爆有关的气压变化只有每平方英尺几磅——大约是坐电梯向下两到三层所感受到的气压变化。

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In the shattered window three floors above, a man with a gun stood.

在上面三层楼上那破碎的窗口，一个男人持枪站着。

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People watched in horror as a man tried to shimmy down the outside of the tower. He made it about three floors before flipping backward to the ground.

仿佛观看一部恐怖电影，人们眼睁睁地看着一个人沿着大厦的外面往下爬，爬了三层以后，便仰面向后坠落了。

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Just like the painting up in my room, three floors above the restaurant.

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Situated in a corner of a lush 330-acre college campus in the New Territories and occupying three floors of the simply named Academic Building No. 1, Yau's Hong Kong institute started slowly.

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Madoff took three floors in the Lipstick Building.

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