You want to get blood up to your brain, so walking is excellent.

你想让血液流到你的大脑，所以步行是极好的。

That will help get blood up to your brain and that will help you, you know, prepare yourself for the test.

这将有助于让血液流向您的大脑，您知道， 这将帮助您为测试做好准备。