Firstly, they sit at the bottom of the food chain, so there are a lot of opportunistic organisms out there, including insect herbivores and microbial pathogens who want to tap into that biochemical energy that is stored in plants.

首先，它们处于食物链底层，所以有很多投机取巧微生物存在，包括食草性昆虫和微生物病原体，它们想利用储存在植物中生化能量。

The main goal of this mission was for the rover to look for signs of past microbial life, snag some rock and soil samples and best of all prepare for human exploration in the future.

这次任务目标是探测车寻找过去微生物生命迹象，采集一些岩石和土壤样本，最重是为未来人类探索做准备。

Out in the deep, dark wilderness of the microbial world, isolated microbes face serious risks.

微生物世界黑暗而原始，单独行动非常危险。

It's clear that these first doses of microbial life are some of the most important.

很明显，这些第一批微生物某种度上是最重。

But the desert's hardy microbial life didn't exactly burst into bloom.

但沙漠中顽强微生物却并没有蓬勃生长。

And whether certain members of that microbial menagerie might be mistreating the zookeeper.

而且，它还能帮助我们了解微生物动物园中某些成员是否在虐待它们“管理员”。

His team set out to investigate the microbial component.

队开始着手研究其微生物成分。

And Schwendner and her team tested microbial samples of the habitat over time.

史温德内尔和队测试了居住舱中细菌样本随时间推移所发生变化。

Then Mills and his colleagues ran microbial and chemical tests on those time-dependent samples.

然后米尔斯和同事对这些依赖时间样品进行了微生物测试和化学测试。

Each barrel is a completely different microcosm in its own, completely unique microbial population.

每个桶都是一个完全不同微观宇宙，在它自己完全独特微生物群中。

Actually, up to 70% of the grass-fed cattle's energy requirements come from short-chain fatty acids, which are produced as a result of microbial fermentation of the grass in the foregut of the cow.

实际上，草饲牛 70% 能量均来自于短链脂肪酸，而这些脂肪酸都是经过生长于生肠中微生物发酵形成。

If Martians exist, even the microbial sort, they probably need liquid water.

如果火星人真存在，即便是火星上微生物也需液态水。

Each point here represents all the complex microbes in an entire microbial community.

每一个点都代表着 一整个微生物菌落中 所有复杂微生物。

After about three months, there was no difference in the makeup of microbial life forms.

大约三个月后，微生物生命形式构成没有差异。

But they noted that additional research is needed to confirm a history of microbial life.

但们指出，还需更多研究来证实微生物生命历史。

Anyway, uh, there was a piece on microbial research.

无论如何 呃 有个关于微生物调查单子。

There are no remains of these organisms other than their chemistry, and I think it's important to keep in mind that for the first 2 billion years of this planet's living history, it was all microbial.

除了一些化合物，它们没有留下其任何遗迹，在我看来非常重是地球生命最初20亿年都是微生物时期。

This little bacteria [that] used to be a small, subdued microbial activity in the soil biological activity, has grown now into a monster.

这小小细菌曾经那么微不足道，只是土壤生物活动中微小一环，现在却成了一个大麻烦。

Dogs, and also cats, influence the microbial communities in our homes so much that if your mother lives with a cat or dog while she's pregnant with you, you're about 30% less likely to suffer from allergies as a child.

狗，还有猫，对我们家里微生物群落影响很大，如果你母亲在怀你时候和猫或狗住在一起，你小时候患过敏症可能性就会降低 30% 左右。

That's amazing to me: the idea of life in Europa, even if it's just microbial life, is taken very seriously by astrobiologists, scientists who study the possibility of life in space.

欧罗巴上有生命，即使只是微生物，这个想法被研究太空中生命存在可能性外太空生物学家们严肃对待。