So these are tiny creatures with no central nervous system.

这生物没有中枢经系统。

Collectively, these little creatures are so important to the survival of our planet, to economies.

总来说，这生物对我们这个星球生存和经济非常重要。

They combine some of the best features of small-molecule and biologic drugs into one.

它们把分子药和生物药品最好一特征合为一体。

Today Americans use " gremlin" when talking about small magical creatures.

现在美国人用" gremlin" 这个单词表示奇生物。

We can combine these organs to form little organisms.

我们可以把这结合起来形成生物。

Critters that small could find it difficult to navigate through the taller grasses.

这种生物可能很难在较高草坪中辨别方向。

These tiny critters, co-existed with the giant, meat-eating dinosaurs and probably survived by being nocturnal.

这生物与体型巨大食肉恐龙共同生活在侏罗纪时代，据推测这生物可能是通过在夜间活动逃过一劫。

The spring thunder awakens more than just those little creatures.

春雷唤醒不仅仅是那生物。

Instead, they're made from the ancient remains of a whole bunch of much smaller creatures.

相反是，它们是很多更生物古残骸。

Those pesky little organisms live all over our skin, but they particularly love our feet.

这讨厌生物遍布我们皮肤，但它们特别喜欢我们脚。

The whales eat very small ocean organisms called copepods.

鲸鱼吃非常海洋生物，称为桡足类动物。

Enter a little critter called the glass frog.

进入一种叫玻璃蛙生物。

Enter a little critter called the glass frog. It's not actually transparent; it's translucent.

进入一种名为透明蛙生物。这种生物实际上并不是透明；而是半透明。

There are other tiny creatures which take advantage of dense urban populations.

有更生物会利用密集都市人口而生存。

In the beginning, small bony outgrowths will form at the joint edges, called syndesmophytes.

刚开始时，关节周缘会形成骨性外生物，称为骨赘。

But what about critters that fly… or crawl… under our radar?

但在我们观察下飞行生物… 爬行动物们如何?

These little critters across the globe are in a lot of danger.

全世界这种生物正面临巨大危险。

Their invention is a small biological circuit they call E-Kaia.

他们发明是一个生物电路，取名叫E-Kaia。

It's thought we have 39 trillion of these simple, small organisms in our body.

据说，我们体内有39万亿这种简单生物体。

I'm a writer and I say, mice are notoriously small creatures.

老鼠是出了名生物。