我在哈佛大学主修汉语时，高等数学仅仅是一门选修课，所以我根本不懂高等数学。

I know nothing of advanced mathematics, which was offered as an optional course when I majored in Chinese at Harvard University.

youdao

我在哈佛大学主修汉语时，高等数学仅仅是一门选修课，所以我根本不懂高等数学。

I know nothing of advanced mathematics, which was offered as an optional course when I majored in Chinese at Harvard University.

youdao