This tight-knit bond between algae and corals is what makes reefs so incredibly productive.

藻类和珊瑚虫之间的这种紧密联系，就珊瑚礁产力如此惊人的原因所在。

Coral is actually the eco skeletons of coral polyps made of limestone.

珊瑚实际上由石灰岩构成的珊瑚虫的态骨架。

The polyps that make up the stony corals are among the winners of climate change.

构成石珊瑚的珊瑚虫气候变化的赢家之一。

Again, what we're seeing here is blue light hitting this image.

我们这里所看到的， 光照在珊瑚虫的图像 。

They're a symbiotic duo, a partnership, between an algae and a coral.

珊瑚体，海藻和珊瑚虫之间的合作关系。

At the heart of reef ecosystems lies a symbiosis between corals and algae.

珊瑚礁态系统的核心珊瑚虫和藻类的关系。

They do this so that they can eat the coral polyps and algae inside.

这样它们就能吃到珊瑚虫和里面的海藻了。

We can actually look to coral as a great example of what an individual can achieve because the coral reef is made up of initially one tiny polyp that grows into a colony and then collects and reforms that reef.

实际上，我们可以把珊瑚作为一个很好的例子，来说明个人可以取得什么样的成就，因为珊瑚礁最初由一个个小珊瑚虫组成的，这些小珊瑚虫长成一个珊瑚群，然后聚集起来，形成珊瑚礁。

It's coral polyps, and within that that coral structure that's kind of a hive or kind of the house for the coral polyps.

这珊瑚虫，在这个珊瑚结构里面珊瑚虫的蜂巢或房子。

The answer is starfish. The crown-of-thorns starfish preys on coral and large outbreaks of these starfish can devastate reefs.

正确答案海星。棘冠星鱼会捕食珊瑚虫，大量的海星会摧毁珊瑚。

Pip saw the multitudinous, God-omnipresent, coral insects, that out of the firmament of waters heaved the colossal orbs.

皮普看见了无数上帝一般无所不在的珊瑚虫，从水的天穹中升起的巨大星体。

Together, colonies of polyps produce large three-dimensional structures, which form the basis of an underwater metropolis.

成群的珊瑚虫一起制造出立体的结构，就有了水下都市的基础。

A small piece of coral may be made of hundreds of polyps.

一小片珊瑚可能都由上百个珊瑚虫构成的。

And the mucus has another function: It helps the fish’s lips seal shut around the lumpy coral, which helps it suck in one particularly tasty part: the polyps’ own mucus, plus some flesh chunks.

粘液还有另一个功能： 它帮助鱼的嘴唇密封住块状珊瑚，这有助于它吸入一个特别美味的部分： 珊瑚虫自己的粘液和一些肉块。

Which of these invertebrates is an anthozoan known for its stony skeleton?

以下哪种无脊椎动物以石质骨骼着称的珊瑚虫？

Corals are groups of small organisms called polyps.

珊瑚由称为珊瑚虫的小型物群体组成的。

Amazing to think that big, colorful reefs all start with these teeny tiny polyps.

令人惊讶的，庞大的五彩珊瑚礁竟都从这些微小的珊瑚虫开始的。

It happens when heat stressed polyps the cessile animals that construct coral reefs eject the photosynthetic algae which reside within them.

当受到高温压力的珊瑚虫将体内的光合藻类排出时，就会发这种情况。珊瑚虫建造珊瑚礁的固着动物。

But it's actually made up of animals called polyps.

但实际上它由称为珊瑚虫的动物组成的。

Coral is made of tiny transparent animals called polyps, with thousands of them in each chunk.

珊瑚由微小的透明动物珊瑚虫组成，每块珊瑚中都有成千上万的珊瑚虫。