In large universities, graduate students, called teaching assistants, usually direct discussion sections.

在一些规模较大的大学里，研究生，也就是助教，经常来组织讨论。

youdao

In large universities, graduate students, called teaching assistants, usually direct discussion sections.

在一些规模较大的大学里，研究生，也就是助教，经常来组织讨论。

youdao