intellectual

Solving complex mathematical equations is a challenging intellectual exercise.

(Chinese) 解复杂的数学方程式是一项具有挑战性的智力练习。

The university provides a stimulating intellectual environment for academic research.

(Chinese) 这所大学为学术研究提供了一个激发思维的学术环境。

The cafe was a popular meeting spot for local intellectuals to debate politics.

(Chinese) 这家咖啡馆是当地知识分子辩论政治的热门聚集地。

As a prominent intellectual, her writings influenced national policy for decades.

(Chinese) 作为一名杰出的知识分子，她的著作几十年来一直影响着国家政策。