You dip the loop in the bottle, pull it out and blow it to make bubbles.

你把环浸在瓶子里，然后把它拉出来，就能吹出气泡。

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A simple state machine input loop in Python

Python 中一个简单的状态机输入循环

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Another interesting way to loop in Scheme is through the map procedure.

另一种在Scheme中实现循环的有趣方式是使用map过程。

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All right, you can see that this little piece of code, it's got a loop in there, and what's it doing?

好，你们看到的这一小块代码,是做了一个循环吧？,他在做什么？

麻省理工公开课 - 计算机科学及编程导论课程节选

And then I run a loop in which I read something in, I check to see if it's the right type, if it is, I change that variable to say it's now the correct type, which means the next time through the loop, I'm going to say I'm all set and I'm going to bounce out.

因为我还没输入，然后我运行一个循环,循环内部我输入一些东西,然后看看是不是正确的类型,如果是的话我改变input，Ok为真，来证明输入数是正确的类型，这就意味着下一次运行这个循环的时候,就可以跳出循环继续执行了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Condition," this thing in the middle between the semicolons, is going to be checked every iteration of the loop.

条件，“这个在两个分号的中间，它将迭代地检查这个循环的条件。

哈佛公开课 - 计算机科学课程节选

The leak is in a cooling loop in a solar array that has leaked before.

CNN: SHARE THIS

The leak was in a cooling loop in a solar array that has leaked before.

CNN: SHARE THIS

Say the city skeptics: Isn't one hopelessly out of the loop in boonyack towns like Grand Forks?

FORBES: An American Heartland Renaissance