Doctors Stevenson is analyzing one element—carbon-14 in ring from both living and dead trees.

史蒂文森博士正在分析一种元素——活树和死树年轮中的碳-14。

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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》

She had the sapphire set in a gold ring.

她请人把蓝宝石镶嵌到一枚金戒指上。

《牛津词典》

But then Micky gets one more chance in the ring,under one condition: his family has to stay out of his career.

VOA: special.2011.02.21

So, we have a problem here if we're thinking about keeping things at the lowest energy, so there's a lot of ring strain in the system.

现在有个问题,我们考虑要把能量降到最低，所以环上有许多应力。

麻省理工公开课 - 化学原理课程节选

But in this movie, the kid gets a little secret decoder ring.

不过在这个电影中，那个小孩得到了一个小的机密解码戒指。

哈佛公开课 - 计算机科学课程节选

He has seen a 20% jump in ring buyers since the disasters.

CNN: Wedding bells toll in post-quake Japan

British members of Parliament began their summer holidays amid febrile speculation about Gordon Brown's future as his foreign secretary, David Miliband, appeared to throw his hat in the ring in a leadership challenge.

ECONOMIST: Politics this week

Boxing, where two individuals battle it out in the ring, in Cuba is a team sport.

BBC: Cuba's proud boxing tradition