Just below that is the trigeminal nerve, the largest of the cranial nerves, which branches into three main strands — hence the 'tri' — and innervates the face and jaw muscles.

在三叉神经下面是三叉神经，脑神经，它分为三股——因此是“三”股——支配着面部和下巴肌肉。

These elements—cold weather, humidity, and a stimulated trigeminal nerve—combine to create something that isn't an odor, but a sensory experience you've come to associate with snow.

这些元素——寒冷天气、度和被刺激三叉神经——共同创造了一种不是气味感官体验，但你已经将其与雪联系在一起。

A specific cranial nerve, cranial nerve V, is the trigeminal nerve and it's responsible for the sensation in the face.

举例来说，第五对脑神经三叉神经负责面部感觉。

It's the nerve in charge of the sensations you feel around the front of your head.

三叉神经控制是头脑前部知觉。

Maybe the trigeminal nerve is less sensitive in certain demographics.

也许一些人口中，他们三叉神经没有那么敏感。

Brain freeze happens when something cold hits the roof of your mouth where it triggers your trigeminal nerve.

脑冻发在冷东西接触到口腔顶部时，那里会触发你三叉神经。