But you have met the phenomenon of an Inner Ring.

但你肯定遇到过“内圈”这种现象。

youdao

There's a secondary ring here, -and an inner ring.

在这里另有第二圈，另有最内圈。

youdao

Inner ring and outer ring can therefore be mounted separately.

内圈和外圈可以因此被分开安装。

youdao

It looks a little something like that, and the screen doesn't quite do it justice here, Z but there's two alphabets; A through Z, and then A through Z, -- but the inner A through Z is on a small -- it has a smaller diameter; so it's a ring of letters.

它看起就像那样的东西，那个画面做的不是这么公正，这里有两个字母表，A到Z，然后A到，但是戒指内部的A到Z是在一个小直径的上面-,它有一个小的直径，所以它是一个有字母的戒指。

哈佛公开课 - 计算机科学课程节选

Maintenance work on the St Alkmund's Way section of the inner ring road begins on 21 January and is expected to last until June.

BBC: St Alkmund's Way

He said the revolutionary underpasses had become frightening and the inner ring road had pushed working class Birmingham into the periphery of the city.

BBC: Historian says Bullring lacks heart

During the maintenance three bridges carrying the inner ring road will be refurbished, new lighting will be installed and 600m (1, 968ft) of concrete barriers will be replaced.

BBC: St Alkmund's Way