他的敏锐才智使他能够轻松理解复杂的数学概念。

His sharp ___intellect enables him to grasp complex mathematical concepts with ease.

她的数学解题能力充分展示了她的聪明才智。

Her ability to solve math problems demonstrates her sharp ___intellect.

她被认为是这个时代最杰出的知识分子之一。

She is regarded as one of the greatest ___intellects of our time.