I lost my balance and hit my head on the corner of my coffee table and then on the floor.

我失去了平衡并且头撞到了我的咖啡桌的桌角，然后头撞到地板上。

youdao

Try it. Measure the distance from the tip of your head to the floor.

测量一下你们的身高，再用身高除以你们肚脐到地面的距离。

youdao

As you become more proficient and comfortable in the pose, learn to lift and lighten the body by actively grounding the crown of the head onto the floor.

当你越来越熟练自如，试着头顶主动向地板伸展，借助地板的回弹力，帮助身体提升。

youdao

Then he would fall down on the floor again like a ball of dirt and start rubbing the side of his head with his back foot as if he had no idea he had been doing any more than any frog might do.

VOA: special.2009.08.29

We head to the ground floor of the Tea Building to Pizza East to chow down with Alex Stegmann, co-founder of yReceipts, a guy who wants to get rid of all the paper receipts that clutter our wallets.

FORBES: Shoreditch Tech Safari: Poke, Ustwo, yReceipts

Versace was shot to death on the doorstep of his home in 1997, and spree killer Andrew Cunanan is believed to have killed him and four others before Cunanan shot himself in the head on the upper floor of a houseboat in Miami Beach, where he was holed up to avoid police after the Versace shooting.

CNN: Story highlights

In the waiting room on the executive floor, the head of risk from a subsidiary in a neighbouring country is pouring himself a coffee, having driven for an hour from his own office to talk about a new computer system.

ECONOMIST: Face value