Understanding the triune brain can help us appreciate the different natures of brain damage and physiological disorders.

了脑可以帮助我们认识大脑损伤和生理碍的不同性质。

I don't know the word triune but I know the word brain, that's what inside our head and we know that the whole text is going to be about it.

我不“位一体”这个词，但我“大脑”这个词，那是我们脑袋里的东西，我们整篇文章都是关于它的。