Let's do an example. Let's try to figure out if we have just a uniform disk how hard it is to spin it around its center.

还是看个例子吧，有一张均匀的唱盘，让它绕中心旋转有多难呢？

youdao

It can also spin this way.

它也可以这样自旋。

youdao

Steam power did not merely spin cotton and roll iron; early in the new century, it also multiplied ten times over the amount of paper that a single worker could produce in a day.

蒸汽动力不仅可以用于纺织棉花和轧铁；新世纪早期，蒸汽机的使用同样大大提高了造纸的效率，蒸汽动力一天所生产的纸张总量是单个工人一天生产纸张总量的10倍。

youdao

What they did it--they said, we'll ask you the question and think about it, but while you're thinking about it--don't answer yet -we're going to spin this wheel of fortune.

实验是怎么进行的呢,他们说,我们会问你们问题,考虑一下,先不要回答,我们会转这个幸运轮盘

耶鲁公开课 - 金融市场课程节选

Do not try to keep moving if the wheels spin - it will only dig you in deeper.

BBC: How to drive in snow and icy weather

And commercial guidelines should be revised to allow its business to expand beyond merely the BBC programme spin-offs it deals with now.

BBC: rules out sale of commercial arm

With the backing of heavy weights like Rosenstein and Einhorn, and with management already engaged in conversations with shareholders about a spin-off, it appears difficult that Oil States will remain as it is going forward.

FORBES: Oil States' Bondholders Will Make A Chunky Premium Before Jana's Rosenstein Gets His Spinoff