You can't complain if you're monitoring the methane.

如果你在监测甲，你不能抱怨。

The microbes break down the methane as fuel.

微生物将甲分解作为燃料。

Those dosed samples produced no methane.

这类样本不能产生甲。

The biggest environmental problem for cattle, though, is the heat-trapping gas methane.

然，对牛来说，最大环境问题是吸热型气体——甲。

And it also discovered traces of methane.

是，火星地表有有机物。

In turn, the rising temperature causes more permafrost to thaw, releasing more methane.

反过来，气温上升导致更多永久冻土融化，从出更多甲。

Besides hydrogen and helium, the air there is about 2% methane.

除了氢和氦，其空气中还有2%甲。

Speaking of methane, plenty of things emit methane.

说到甲，很多东西都会甲。

Human-induced methane is defined as methane brought about by our human behaviors and activities.

人为导致甲就是人类行为与活动所产生甲。

But the samples in which microbes were allowed to survive did put out methane.

可以让微生物生存样本会出甲。

A 30 percent decrease in methane emissions.

甲排减少30%。

280,000 metric tons of methane each year.

每排超过 28 万吨甲。

Even dunes of frozen methane on Pluto.

甚至还有冥王星上冻结甲沙丘。

Massive pockets of methane gas would explode.

大量甲气体会发生爆炸。

These include carbon dioxide, methane and nitrous oxide.

其中包括二氧化碳、甲和一氧化二氮。

For example, LHS 475 b cannot have a thick atmosphere that is mostly methane, Lustig-Yaeger said.

例如，LHS 475b不可能有以甲为主厚大气层，拉丝汀·一格说。

Methane gas somehow accumulates in the permafrost of Siberia.

甲气体以某种方式积聚在西伯利亚永久冻土层中。

And methane emissions aren't the only hazard.

甲排并不是唯一危害。

Okay, wait, but what about methane?

好吧，等等，但是甲呢？

For example, take methanogens, the microbes that make methane.

比如产生物，一种制造甲微生物。