He blew a ring of blue smoke.

他吐出了一圈蓝烟。

《柯林斯英汉双解大词典》

The children sat on the floor in a ring.

孩子们围成一圈，坐在地板上。

《牛津词典》

They then formed a ring around the square.

他们随后沿广场围成了一圈。

《柯林斯英汉双解大词典》

Three of the awards were for this hit song, "Single Ladies (Put A Ring On It)."

VOA: special.2010.02.05

Benzene is a ring that's made up of six carbon atoms and six hydrogen atoms.

苯环是一个由六个碳原子,和六个氢原子组成的环。

麻省理工公开课 - 化学原理课程节选

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

On the horizon are the crater walls, now a ring of tree-covered mountains and national parks.

BBC: A theatrical journey into Canada��s Charlevoix

In October 2004 Wales cofounded the for-profit Wikicities, a ring of themed sites supported by advertising.

FORBES: The Answer Man

More recently, federal agents broke up a ring that was illegally importing questionable pre-Columbian artifacts.

FORBES: There's Big Money And The Need For Reform In The Antiquities Trade