He grouped the children according to ability .

他根据孩子们的能力将他们分组。

We have grouped the words around various departments of your life .

我们将词汇按照生活的各个方面组合了起来。

The books in this piece are grouped by experience level .

清单中的书，是以专业级别分类的。

Stock quotes are grouped into portfolios .

股市行情是分成的投资组合。

The extrovert ideal has been documented in many studies , though this research has never been grouped under a single name .

外向型理想在很多的研究里有刊载，但是这类调查从未归组在同一个名类之下。