Notice the form of it, it's just the name of the class followed by open paren, close paren, treating it like a function.

我该怎么来使用类呢？,好，我可以像调用方法,一样调用类，你可以在下面看到，创建一个名为。

麻省理工公开课 - 计算机科学及编程导论课程节选

practice our, you know, talking skills. We get really close because there's not that many people in the class.

练习我们的表达能力。因为上这个课的人不多，所以我们之间变得很亲近。

学习外语的原因 - SpeakingMax英语口语达人

Now this class is too big for us to have some close, intimate conversation between the 150-180, however many students there are here.

这个班级太大了以致我们不能得到结论，在150-180页之间展开深入讨论，然而学生太多了。

耶鲁公开课 - 死亡课程节选

At this point I've been speaking in generalities so I want to close this introductory class by giving five examples of the sorts of topics we'll be covering.

到现在为止,我一直都在进行一些概述,我想通过给出五个,我们将会涉及到的一些主题的例子,来结束这节导论课

耶鲁公开课 - 心理学导论课程节选