But also smart materials, for instance, materials that can adapt, change, depending on an external signal, just like our body functions.

还有智能材料，这种材料可以根据外部信号来适应、改变，就像我们的身体机能一样。

But your brain gets so many external signals that it can't process it all at once and so it uses context to craft what you're hearing.

但是你的大脑接收到如此多的外部信号，以至于它不能同时处理所有的信号，所以它会使用语境来展示你听到的东西。