In fact, if you get down on the ground right now, and move your mass closer to earth's center, technically, you will speed up earth's rotation making this day shorter.

实际上，如果你现在倒在地上，然后将你自己靠近地心，严格意义上来说，你会加速地球自转，从而把一天变短。

youdao

He had to get up and began to run in the room until he lay down on the ground.

他不得不站起来，开始在房间里奔跑，直到躺在地上。

youdao

Since he could not get the right answer, he jumped down on the ground. He went to consult with the most knowledgeable elephant.

猴子自己无法获得正确的答案，于是他跳到地上，去向学识丰富的大象请教。

youdao

As we get closer, Christensen motions for me to get down on the ground.

WSJ: Walk With the Animals

One man who testified, Nicholas Peart, described an encounter in which officers swarmed, pointed their weapons and told him and two relatives to get down on the ground late on the night of his 18th birthday.

WSJ: Trial provides window into NYPD practices

As ever, former Surrey man Brown was keen to get on with things, showing his intent by twice lifting Zander de Bruyn straight back down the ground.

BBC: Voges and Brown give Notts edge