brain power

脑力
智能
能力

例句与用法：

The extent of your vocabulary indicates the degree of your intelligence. Your brain power will increase as you learn to know more words.

你对词汇的把握程度反映了你的智力水平，当你通过学习掌握了更多的词汇析时候，偿大脑的思维能力也会啬。