It's a big wheel.

这是一个大车轮。

youdao

So let this be your space station; it's a big wheel, a radius of about 100 meters and we'll make it very fancy for you.

假设这是空间站;,是一个大圆盘，半径约为100米,这将是一个煞有介事的空间站。

youdao

From the top of the lifeless hotel you got a good view of the place - the children's funfair with it's rusted big wheel, the hospital with a huge Soviet style slogan that reads The health of the people is the wealth of the country - which, given what happened here, makes further comment superfluous.

BBC: Chernobyl nuclear power station