先前的一些研究表明，参与心理刺激的活动来挑战你的大脑可能会有所帮助。

Some previous studies have suggested that challenging your brain with mentally stimulating activities might help.

youdao

他们想要冒险和刺激的活动。

They want adventure and exciting activities.

youdao

不，谢谢。我不太喜欢躺在沙滩上，你知道，我喜欢一些更刺激的活动。

No, thanks. I'm not so fond of lying on the beach, you know, I fancy something more active.

youdao

So a vaccine is designed in order to engage that biology, in order to provide antigens that will stimulate specifically your immune system.

所以疫苗的作用就是参与这个生理活动,提供抗原 来刺激你的免疫系统

耶鲁公开课 - 生物医学工程探索课程节选

And you can see this expanding rings of activity of stimulating, Cause a pattern of activities that move forward from the back of the brain to the front of the brain, in a very regular pattern which we call a visual field map.

眼睛在前面，指向这个红点，大家看到，刺激活动不断扩大的环路,引起一个活动的模式，从大脑的后不向前部移动，这一模式十分规律，我们可以称其为视觉分布图。

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