The healthy hair cell divides frequently.

健康毛分裂频繁。

This can revive the dead hair cells and bring back your ear health.

这样可以使毛复活，使耳朵恢复健康。

The nerve that carries the sound from the hair cell to the brain.

神经会将声音经由绒毛传输到大脑。

Each of these hair cells is attached to axons in the nervous system.

每一个毛都附着在神经系统轴突上。

It all has to do with these tiny hair cells in our ears.

这一切都与我们耳朵里这些微小毛有关。

And the way this is done is that there are so called hair cells...

转化通过所谓毛来实现。

The internal ear has tiny hair cells that help sweep the sound waves ahead.

耳内有微小毛，可以帮助将声波扫向前方。

This set-up also uses a combination of fluid and sensory hair cells.

这种设置也使用了液体和感觉毛组。

Let's look at a healthy liver cell, a healthy hair cell, and a cancerous cell.

让我们分别看看一个健康肝，一个健康毛，和一个癌变。

This drug works at the junction — or synapse — between the hair cells and nerve cells.

这种药物作用于毛和神经之间连接处或突触。

So noise canceling actually does remove the sound, leaving our ears hair cells, largely unaffected.

所以降噪实际上确实去除了声音，基本上不影响我们耳毛。

So when your hair cells are healthy, they stand up kind of like a field of wheat.

所以，当你毛健康时，它们就像一片麦田一样竖立着。

So you can damage the sensory hair cells in the inner ear or you can damage the nerves.

所以你会破坏内耳感知绒毛，你也可能会破坏神经。

Loud sounds can damage these hair cells in a way that can cause temporary, even permanent hearing loss.

巨大声音会损坏这些毛，从而导致暂时性，甚至是永久性听力损失。

And these emissions constitute a really strong demonstration of just how active the hair cell can be.

这些被释放声音非常有力地展示了毛有多活跃。

And our group and many other groups are now engaged in research trying to resurrect these amazing hair cells.

目前，我们团队和许多其他团队都致力于研究如何让这些美妙毛复活。

This is exactly what hair cells do.

毛作用正是这样。

The first is: What is the molecular motor that's responsible for the hair cell's amplification?

负责毛扩音作用分子马达是什么？

Unlike mammalian hair cells, bird hair cells regenerate gradually after trauma.

与哺乳动物毛不同，鸟类毛在外伤后会逐渐再生。

The second issue is how the hair cell's amplification is adjusted to deal with the acoustic circumstances.

第二个课题是，毛扩音作用是如何调节并匹配周围声学环境。