dà / yī / xīn / shēng / zài / xué / xí / jí / hé / lùn / shí / huì / yù / dào / hěn / duō / chōu / xiàng / gài / niàn

大一新生在学习集合论时会遇到很多抽象概念。

First-year college students encounter many abstract concepts when studying set theory.