split up

释义

（使）解散；决裂

在例句中理解 1 句

1. A classroom with 40 kids is more likely to split up into opposing groups than one with 20, which may explain why students tend to do better in smaller classes.

   一个有40个孩子的班级比一个只有20个孩子的班级更容易分裂，这也许可以解释为什么学生在人数较少的班级学得更好。