Myelin is a fatty sheath that insulates an axon, preventing electrical currents from leaking out.

髓鞘质是一种脂肪鞘，它把轴突隔绝起来，以防止电波泄漏。

We can’t close ourselves off from those opportunities.

我们不能将自己隔绝这些机遇之外。

Even thus isolated, he became known for his brashness.

即便已经隔绝到如此地步，他还是因为自己的鲁莽无礼出了名。

If I feel disconnected from others, a cellular phone won't cure that.

如果我觉得自己与别人隔绝了，一部手机并不能解决问题。

Many badly hit areas remain cut off, hampering relief workers.

重灾区现与外界隔绝，这阻碍了援人员的工作。

You really don't know? Have you been living under a rock?

真的不知道吗？与世隔绝了吗？

People are cocooned from each other, not only by their umbrellas but by the anonymity of city life.

每个人都把自己包裹起来与他人隔绝 不只是通过伞 也通过城市生活的隐匿性。

The coastal city of Wilmington, North Carolina, has been mostly cut off.

北卡罗来纳州沿海城市威明顿大部分地区已被洪水隔绝。

And cut off means isolated. How did you survive, Catherine?

闭塞是指与外界隔绝的。那是怎么熬过来的，凯瑟琳？

Oh, no, not at all. Isolated' means far away from other places and people.

噢，不，一点也不。" 隔绝的" 指的是远离其它地方和人群。

India was then a very poor country, cut off from the world.

印度是个很穷的国家 与世隔绝。

Alpine villages tended to be impoverished settlements cut off from civilization by the high mountains.

阿尔卑斯山山区的小村几乎全是高山，与世隔绝的穷乡僻壤，高山环绕。

Social isolation has long been known to increase people's risk of memory problems, Carrillo said.

卡里略说，人们早就知道社会隔绝会增加人们出现记忆问题的风险。

I think we all need to disconnect.

我认为我们都需要与世隔绝一下。

How did these monsters get to so many of the South Pacific's most isolated islands?

南太平洋最与世隔绝的那些小岛上怎么会有如此多的这些怪物？

The smaller and more isolated they are, the harder it is to survive.

它们越小越与世隔绝，要想上面生存就越艰难。

In the late 19th century, the mentally ill were locked up and isolated from society.

19 世纪后期，精神病患者被关起来，与社会隔绝。

We're cut off from life as dead pieces of wood amid a blooming forest.

我们与生活隔绝，就像茂盛森林中的枯木。

Roads were quickly developed, but the town was kept isolated.

道路很快得到了发展，但这个城镇仍与世隔绝。

Cutting off all that noise around can help your taste buds.

隔绝周围的噪音可以帮助的味蕾。