Listen to this hydrothermal vent deep under the ocean.

听一听来自深海的口。

Things like hydrothermal vents or hot springs or volcanic settings.

比如口、温泉或火山环境。

A more likely explosion at Yellowstone would be a hydrothermal eruption.

而黄石火山更有可能发生的是水发。

This hydrothermal environment is very similar to that in which life first appeared.

这种环境与生命最初出现的环境非常相似。

One place these pioneering organisms may have emerged is at hydrothermal vents, deep underwater.

这些先驱生物出现的其中一个地方是深海泉深海。

To picture a hydrothermal vent, imagine an underwater volcano.

要想象深海泉是什么样子，那就想象一下水下火山。

Energy is particularly concentrated at the steep chemical gradients of hydrothermal vents.

能量特别集中在口的陡峭化学梯度上。

Because those hydrothermal vents underneath that sea might have created a very conducive environment for life.

因为海底的口可能为生命创造了非常有利的环境。

Oceanographer, Alex Rogers, joined an expedition which discovered a hydrothermal vent in the ocean near Antarctica.

海洋学家亚历克斯·罗杰斯参加了一个探险队，该探险队在南极洲附近的海域发现了一个深海泉。

The fish had been living near an underwater hot spring, known as a hydrothermal vent, in the Mid-Atlantic Ridge.

那条鱼生活在中大西洋海脊的一个水下泉附近，也就是所谓的深海口。

Add to that any additional salt and minerals that would be expelled from hydrothermal vents or submarine volcanoes.

再加上从海底的泉或火山排出的许多额外的盐矿物。

There are two kinds of hydrothermal vent: black smokers and white smokers.

黑烟囱白烟囱。

Some of the most impressive deposits grow at hydrothermal vents, which are hot springs at the bottom of the ocean.

一些最令人惊叹的沉积物生长在口，也就是海底的温泉。

(growling) (creepy music) Number nine are hydrothermal vents.

（咆哮）（令人毛骨悚然的音乐）九号是口。

On Earth these are found, among other places, near deep-sea hydrothermal vents.

在地球上，这些物质被发现于深海口附近。

In 1977, a group of scientists discovered hydrothermal vents at the bottom of the ocean.

1977 年，一群科学家在海底发现了口。

This is especially true near hydrothermal vents, where hot seawater mingles with calcium rich basalts.

在口附近尤其如此，那里的海水与富含钙的玄武岩混合在一起。

But 100 years after Darwin's letter, deep-sea hydrothermal vents, or hot vents, were discovered in the ocean.

但是在达尔文写信 100 年后，人们在海洋中发现了深海口或口。

There's another line of evidence that points to hydrothermal vents: the Last Universal Common Ancestor of life, or LUCA for short.

最后的普遍共同生命的祖先，或简称 LUCA。

Subsequent visits to hydrothermal vents around the world by other teams have revealed  more communities living in such fashion.

其他团队随后对世界各地的口的访问揭示了更多的社区以这种方式生活。