classify

1. V-T To classify things means to divide them into groups or types so that things with similar characteristics are in the same group. 把…分类

It is necessary initially to classify the headaches into certain types. 起初把头疼分成若干类别是有必要的。

2. classificationN-VAR 分类

...the arbitrary classification of knowledge into fields of study. …把知识归入研究领域的任意分类。