The hydrogen sulfide reacted with oxygen in rainwater moving through the rock.

化氢与流过岩石的雨水中的氧气反应。

But the exoplanet was previously not thought to hold hydrogen sulfide.

但是，这颗系外行星此前被认为并不化氢。

Jupiter, too, has small amounts of hydrogen sulfide in its atmosphere.

木星的大气层中也有少量的化氢。

The action of oil and natural gas created hydrogen sulfide in the limestone.

石油和天然气的作用石灰岩中产生了化氢。

They're also monitoring the air for traces of hydrogen sulfide and sulfur dioxide.

还监测空气中化氢和二氧化的迹。

These gases are a death filled cocktail of hydrochloric acid, hydrogen, hydrogen sulfide, and sulfur dioxide.

这些气体是由盐酸、氢气、化氢和二氧化混合而成的致命混合物。

To test the device, the researchers puffed it with different concentrations of hydrogen sulfide gas.

为了测试这个设备，研究人员使用了不同浓度的化氢气体。

But, as they watched the beakers, a bunch of the hydrogen sulfide seemed to be disappearing.

但是，观察烧杯时，一束化氢似乎正消失。

Second, it's about what scientists say they've detected in the planet's clouds, hydrogen sulfide.

其次，这是科学家所说的，地球的云层中发现了化氢。

Like hydrogen sulfide, which smells like rotten eggs.

比如化氢，闻起来像臭鸡蛋。

So, in this case, the hydrogen sulfide could have lost electrons in a redox reaction.

因此，这种情况下，化氢可能氧化还原反应中失去了电子。

These sediments were anoxic, or poor in oxygen, and they were also full of hydrogen sulfide.

这些沉积物是缺氧的或含氧量很低的，并且它充满了化氢。

It warned some communities about high levels of hydrogen sulfide gas escaping from the rotting algae.

它警告一些社区注意从腐烂的海藻中释放出的高浓度的化氢气体。

In deep, dark ocean ecosystems, some bacteria use chemicals like hydrogen sulfide as their energy supply instead.

深海、黑暗的海洋生态系统中，一些细菌使用化氢等化学物质作为它的能量供应。

Hydrogen sulfide is a colorless gas that smells like rotten eggs.

化氢是闻起来像臭鸡蛋的无色气体。

At super high concentrations, it can be toxic like hydrogen sulfide.

极高浓度下，和化氢一样有毒性。

He noted, for example, that hydrogen sulfide would have been much harder to find on planets that are further away.

指出，例如，更远的行星上，化氢会更难被发现。

In the aquifer's depths, a layer of clear fresh water sits atop salt water that's saturated with toxic hydrogen sulfide.

含水层深处，一层清澈的淡水就浮充满有毒化氢的咸水之上。

Like, in this case, it connects the hydrogen sulfide reducers in anoxic sediment with oxidizers closer to the surface.

同样，这种情况下，它将缺氧沉积物中的化氢还原剂与靠近表面的氧化剂连接起来。

New observations by NASA's James Webb Space Telescope suggest that this is the first exoplanet where hydrogen sulfide has been identified.

美国航天局（NASA）的詹姆斯·韦伯太空望远镜的新观测结果表明，这是首次系外行星上发现化氢。