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，就是珊瑚礁生产力如此惊人的原因所在。

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

珊瑚实际上是由石灰的珊瑚虫的生态骨架。

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

石珊瑚的珊瑚虫是气候变化的赢家之一。

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

我们这里所看到的是，蓝色 光照在珊瑚虫的图像 。

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

珊瑚是共生体，是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.

珊瑚礁生态系统的核心是珊瑚虫和藻类的共生关系。

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就，因为珊瑚礁最初是由一个个小珊瑚虫组的，这些小珊瑚虫长一个珊瑚群，然后聚集起来，形珊瑚礁。

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.

这是珊瑚虫，在这个珊瑚结里面是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.

正确答案是海星。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.

群的珊瑚虫一起制造出立体的结，就有了水下都市的基础。

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

一小片珊瑚可能都是由上百个珊瑚虫的。

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是以石质骨骼着称的珊瑚虫？

Corals are groups of small organisms called polyps.

珊瑚是由称为珊瑚虫的小型生物群体组的。

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

令人惊讶的是，庞大的五彩珊瑚礁竟都是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，就会发生这种情况。珊瑚虫是建造珊瑚礁的固着动物。

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

但实际上它是由称为珊瑚虫的动物组的。

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，每块珊瑚中都有千上万的珊瑚虫。