Like coral reefs, they are a nursery for the oceans.

像珊瑚礁一样它们是海洋托儿所。

Coral reefs are already appreciated for their beauty.

珊瑚礁绚丽已备受赞赏。

The coral reefs absolutely need human intervention to help.

珊瑚礁绝对需要人类干预来帮助。

Below the waves, coral reefs provide a habitat for teeming life, a life with a kaleidoscope of color.

波涛之下生长着珊瑚礁，为无数生命提供了栖息环境，让它们生活五彩缤纷。

Far better, some say, to turn old rigs into coral reefs.

若要全面考虑话，有些人认为应该把老钻塔转换珊瑚礁。

Both offer stunning views of tropical waters dotted with colourful fish and coral reefs.

这两地都可以欣赏到热带水域壮丽景色，那里点缀着五颜六色鱼类和珊瑚礁。

Next, we're talking about coral, Carl? No, coral, specifically coral reefs.

接下来，我们来谈谈珊瑚吧。我名字Carl？当然不是，是珊瑚，具体来说是珊瑚礁。

There are a number of threats to the health of coral reefs.

珊瑚礁饱受威胁。

The story out there is that all coral reefs are dying.

据说，所有珊瑚礁都在逐渐死亡。

Healthy coral reefs are essential to a healthy marine ecosystem.

珊瑚礁对海洋生态系统至关重要。

Let's go back to the coral reefs.

我们再回到珊瑚礁例子上。

If you were to go to most coral reefs today, you'd hear something like this.

你去看看现在大部分珊瑚礁，会听见这样声音。

The archipelago is celebrated for its rich marine life and underwater coral reefs.

这个群岛以其丰富海洋生物和水下珊瑚礁而闻名。

Almost everything we know about coral reefs comes from the top 30 meters or so.

我们对珊瑚礁几乎所有了解都来自水下30米左右地方。

Coral reefs also receive much damage from both commercial and private vessels.

珊瑚礁也受到商业和私人船只严重破坏。

Despite its name, the Great Barrier Reef isn't just one large coral reef.

尽管名字叫大堡礁，但它并不仅仅是一个大型珊瑚礁。

The coral reef in Arecibo is part of the beach.

阿雷西博珊瑚礁是海滩一部分。

He wanted to tell people about what was happening to the coral reef.

他想告诉人们珊瑚礁发生了什么。

Oyster reefs provide much the same function as coral reefs.

牡蛎礁提供了与珊瑚礁相同功能。

They are the underpinning of the ecological systems where they exist, just like coral reefs.

它们是生态系统支柱，就像珊瑚礁一样。