Lie in the prone position, with your hands on the floor and repeatedly press the upper body up and down.

弯下上身，俯卧，手撑地面，重复将上身支起并放下。

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A jobless man applied for the position of 'office boy' at Microsoft. The HR manager interviewed him then watched him cleaning the floor as a test.

一个失业的人去微软申请办公室文员的职位，人事经理面试他，并且看着他打扫地板，作为测试。

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On the sandy floor of a popular Sydney beach, a girl floats in a prone position, her life held in a breath of air.

一处广受欢迎的悉尼海滩的砂质海底，这位女孩正以倾斜的姿式漂浮着，凭的只是一口气。

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As a young child, I had difficulty crawling, and so I learned to move by scooting across the floor in a seated position.

CNN: 'I am an original young man'

He went to a retreat of Republican House members last week where he told them, reportedly, there were no press in the room, that if he watched his poll numbers, he would lie in a fetal position on the floor.

NPR: Political Impact of Katrina Report

And although I only have word-of-mouth information on his trapeze abilities, and a picture of his tree climbing, I actually got to witness his ability to walk on his hands, starting from a sitting position on the floor where he was positioned alongside the many tables set-up at the awards banquet, he was able to pull himself up into a handstand, and walk on his hands.

FORBES: Who's Who At TechFellow Awards