The central nervous system can be divided into three classes of neuromeres.

中枢神经系统可分为三类间体。

youdao

PLATO believed that men are divided into three classes: gold, silver and bronze.

柏拉图认为，人类按其天赋可分为三等：黄金； 白银； 青铜。

youdao

Broadly speaking, human being may be divided into three classes: those who are toiled to death, those who are worried to death, and those who are bored to death.

广而言之，人可以分为三个类别：劳累而死的人，忧虑而死的人和无聊而死的人。

youdao

Until now, the Pentagon has divided foreigners into three classes for the sharing of defence information.

ECONOMIST: European aerospace