Last time we said we had three kinds of texture in music which are: monophonic, homophonic and polyphonic.

上一次我们说过,音乐中有三种织体,单音,主音和复音织体

耶鲁公开课 - 聆听音乐课程节选

If we're focused on the work of art in and of itself, on the poem, we obviously in thinking about what it means need to come to terms with three kinds of evidence."

将注意力放在艺术作品本身或者说诗本身上，很显然，如果我们想考虑它所表达的意思的话,我们必须对三种证据作出让步“

耶鲁公开课 - 文学理论导论课程节选

The way we solved that Cournot model was we did three kinds of things.

我们通过三个方法,解决那个古诺模型

耶鲁公开课 - 博弈论课程节选

So I'm going to suggest that we've looked at three different kinds of things.

那么我提醒下大家我们学了三种类型的,东西了，我们学习过数据类型。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's useful to separate these kinds of signals into three categories.

将这些信号分为三大类会比较容易理解

耶鲁公开课 - 生物医学工程探索课程节选