在烹饪法中，菜谱提供原料的列表，并就如何将这些原料混合到一起提供一些说明。

In the kitchen, the recipe provides a list of ingredients and some instructions on how to mix those ingredients together.

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“你们要每天仔细观察毛毛虫。”怀特先生边说边在黑板上写了一些说明。

"You should watch the caterpillars carefully every day." Mr. White said and wrote some instructions on the blackboard.

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第二项承诺需要进行一些说明。

The second one needs some clarification.

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Then when you see graphs like this and you see these stars, then that links down here to the significance level.

如果看到这样的图,上面有一些星形,图下方还有显著性水平的说明

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, here's the reading. So, for example today, there is a vision statement, administrative details and I'm going to get a little bit of teaching towards the end. And, if you wanted to, you could crack the book and look at chapter one.

这是阅读材料，例如说，今天，有一个远景说明，行政管理的细节,末尾的时候我会讲一些教学的内容,如果你们想要的话，你可以打开那本书，翻到第一章。

麻省理工公开课 - 固态化学导论课程节选

So I am going to on the fly write a very simple little main program that just illustrates some of the syntax that we can then visualize more interesting.

我很快的写了一个很简单地小程序,来说明一些语法,我们使它变得更有趣些。

哈佛公开课 - 计算机科学课程节选