It's a circle, a loop.

它是一个圆，一个循环。

youdao

The film is on a loop.

这部电影已制成循环音像磁带。

《牛津词典》

He tied a loop of rope around his arm.

他在手臂上用绳子系了一个圈。

《牛津词典》

Each week,the show took them - and viewers - on an emotional and mind-bending roller coaster ride, through a dizzying loop of supernatural forces, armed conspirators and,of course,romance."

VOA: standard.2010.05.25

Once each time. Right? I only do one swap potentially, it-- though not one potentially, each time at the end of the loop I do a swap.

每次循环做一次，对么？我其实,就可能做了一次交换，也许并不是可能，每次循环的结束我都得做一次交换。

麻省理工公开课 - 计算机科学及编程导论课程节选

And there is a self-enforcing loop between the two, where helping others helps ourselves; and helping ourselves, in turn, helps others.

两者间有自我实施的循环，帮助他人就是帮助自己;,帮助自己继而帮助他人。

哈佛公开课 - 幸福课课程节选

The food-in-teeth dilemma, smudged lipstick syndrome, missing-a-belt-loop quandary and sliding toupee misfortune are similar predicaments.

FORBES: 5 Times When It's Okay To Break The Rules

Sublime back-play seemed doomed to failure confronted by a solid defence - but Evans and Jordan Turner-Hall executed a lovely loop-switch that released Monye to score on the left.

BBC: Harlequins 26-13 Northampton

No one yet has done a loop-the-loop, but Hawkes thinks such maneuvers will come soon, as hydrobatic pilots gain experience and confidence.

FORBES: Cruising Altitude: Minus 400 Feet