These are poems, in other words, that come with little labels to tell you what they mean and what they're about.

这些都是，换句话说,是用小的标记来告诉你,他们是什么意思，他们是关于什么的。

耶鲁公开课 - 现代诗歌课程节选

He was motionless, all but for one finger that moved up and down in front of his face as if he were marking time with it.

他一动也不动，除了一根手指在他的面前上下摆动,好像在用它标记时间。

耶鲁公开课 - 1945年后的美国小说课程节选

Well, the first line of code, I'll fix the purple next time around so it's more legible.

第一行代码，我用紫色标记,这样增加了可读性。

哈佛公开课 - 计算机科学课程节选

So, for example, if you were interested in some protein involved in cancer, you could tag it with GFP.

例如，如果你对和癌症有关的,蛋白质感兴趣，你可以用GFP标记它。

麻省理工公开课 - 化学原理课程节选

So the strategy choices, we're not going to do it in hours, let's just normalize and regard these choices as living in 0 to 4, and you can choose any number of hours between 0 and 4.

我们用小时数来表示策略吧,用0到4的数字来标记这些策略,你可以从0到4中任选工作的小时数

耶鲁公开课 - 博弈论课程节选

It gives a sense of what this music is all--really all about and since, as we were saying, so much classical music doesn't have a text with it we've got to have some markers in there to know what the composer is trying to communicate to us.

让我们了解这段音乐想表达什么，就像我说的，大部分古典音乐并没有文字注解，而我们需要一些标记,来告诉我们作曲家想用这段音乐告诉我们什么。

耶鲁公开课 - 聆听音乐课程节选

All you have to do is mutate the DNA, which is very straightforward to do in molecular biology, and now you can tag absolutely any protein that you're interested in.

你所需要做的就是使DNA变异，这在分子生物学力是很容易做到的，你可以用它标记,任何你感兴趣的蛋白质。

麻省理工公开课 - 化学原理课程节选

So, what happens here is this opening phrase, that we'll call A-- musicians like to label stuff just with alphabetical labels to keep it simple.

那么,首句这里,我们称作A,音乐家喜欢用字母,来做标记,这样比较简单

耶鲁公开课 - 聆听音乐课程节选

While we're here, our third notation for strategy, I'm going to use little "s" without an "i," no subscripts: little "s" without an "i," to mean a particular play of the game.

说到这,我们来定义第三个标记符,我们用不带下标的小写s,来表示某一次博弈

耶鲁公开课 - 博弈论课程节选

So the translation here is that whereas last week and in Scratch, the looping structures are yellow and have kind of this brace structure to them.

同理，大家回想一下上个星期,在Scratch软件中，循环结构都用黄色标记出来了,与此类似。

哈佛公开课 - 计算机科学课程节选