And that seems to exercise the sort of executive parts of our brain.

这似乎对我们大脑中起控制作用的部位进行了锻炼。

So when a bilingual speaker switches – or changes – from one language to another – this exercises the executive parts of their brain, making it stronger and fitter.

双语使用者在语言之间切换时锻炼了起控制作用部分的大脑，使其更为强健。