A leading Nigerian blood specialist is the WHO . cancer. is alarmed at the growing numbers of cases of cancer - the name given to a class of diseases characterized by the uncontrolled growth of cells, which then form tumors.

VOA: standard.2010.06.16

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

A master distributes his wealth to his servants and the wealth is distributed in the form of a coin, and the name of the coin is translated in English with the word talent.

一位主人要把他的财富分给他的仆人们,财富是以钱币的形式来分配的，钱币在英语中翻译成了天资。

耶鲁公开课 - 弥尔顿课程节选

Can anybody name a form of pop music, any one form?

你们中谁能说出流行音乐中的曲式,任何一种

耶鲁公开课 - 聆听音乐课程节选

So if you have sons and they are healthy, and they do well, and they have children, that means your name will be carried into the future, your memory will persist and that is one form of immortality.

如果你有儿子,并且他们健康成长,表现良好,然后他们也有了孩子,那就意味着你的名字将会被延续下去,你的记忆将会持续下去,这就是一种形式的永生

耶鲁公开课 - 古希腊历史简介课程节选