Sharks glided in lazy loops around them, dragging their backs along the rafts,waiting.

VOA: special.2011.05.04

There are so many other constructs like loops and conditions and such, so what I thought we do in conclusion today is look at this program.

这里有很多其他结构类型如循环控制,条件分支等等，所以我觉得应该,以这个程序作为结束。

哈佛公开课 - 计算机科学课程节选

Because the for loop hands me placeholders in between those semicolons for variables and such, now I don't have those with while loops.

因为for循环给我提供了为变量准备的占位符,它们在分号之间，现在在while循环中，我没有这些。

哈佛公开课 - 计算机科学课程节选

So in addition to for loops like this, know that there are while loops.

除了像这样的循环之外，你们知道还有while循环。

哈佛公开课 - 计算机科学课程节选

Well, we saw loops in Scratch.

嗯，我们在Scratch中看到了循环。

哈佛公开课 - 计算机科学课程节选