What happens now after we've executed this third line of code, what happens next in the story?

我执行完第三行代码会发生什么呢,在这之后会发生什么呢？

哈佛公开课 - 计算机科学课程节选

OK, if you look at that then, let's look at what happened when we ran this.

好的，如果再看一下那个，让我们看一下当我们执行这里时会发生什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

So in your mind, if you are now the computer program and you are executing this thing from top to bottom, what just has happened verbally is we are stepping into the line of code that says sort left half of elements.

在你们看来，如果你现在是计算机程序,正在从上到下执行一系列指令，刚才所发生的就是我们现在已执行到了这行代码,它告诉你要对左半部分的元素排序。

哈佛公开课 - 计算机科学课程节选

Some proteins can be switched from an 'off' position where they don't do anything to an 'on' position where they now do something by only a chemical reaction like this where a phosphorous is added.

一些蛋白质可以从关闭状态的,无所作为,到成为开启状态后,执行某种功能,中间只发生了一个引入磷酸基的化学反应

耶鲁公开课 - 生物医学工程探索课程节选

Let's see what happens if we run it.

让我们看看我们,执行以下会发生什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

But notice what this does. The first thing it does is, it says, let's check and make sure x is greater than or equal to 0. If it isn't, notice what's going to happen. None of that block is going to get executed, and it's going to come down here and print out a useful piece of information, which says, hey, you gave me a negative number. I don't know how to do this.

做的是和以前一样的事情,但是注释它做了什么，第一件做的事情就是,程序说，要去检查并且确信x是大于等于0的，如果不是的话，请注意会发生什么,下面的代码都不会被执行,程序会到这里来然后显示一些有用的信息,信息会说，嘿，你给了我一个负数,我不知道该怎么弄这个了。

麻省理工公开课 - 计算机科学及编程导论课程节选

This is code that's got to be executed before anything else happens.

这个代码是,在所有事情发生之前执行的。

哈佛公开课 - 计算机科学课程节选