rope walker

And the distance between the center-of mass and the rope& let that distance be one meter, and let the mass of the rope walker be70 kilograms.

重心到绳子的，距离-，这距离为1米，走绳者的重量，设定为70公斤。

And this rope walker has indeed very special shoes.

它穿着，很特殊的鞋子。

And the rope walker, standing on the rope.

这个走绳者，站在绳子上。

This is what the rope walker can do, provided it doesn't slide off.

这是走绳者能做到的，只要它不滑倒。

Well, we have a very special rope walker.

这里有个特殊走绳者。

In fact, the shoes of the rope walker is a little wheel, and this is what the wheel looks like.

事实上这鞋子，有点像轮子，轮子是这样的吧。

I build a light structure it could be built of wood which the rope walker is going to carry in her hands, or in his hands, just like this.

建一个轻质结构-，可以是木质的-，走绳者把它，拿在手里，像这样。

Okay, let's ask this rope walker to give us a demonstration.

现在我们让它，给我们一个演示。