The great barrier reef is the world's largest network of coral structures.

大是世界最大的珊瑚群。

And how serious is the situation in the Great Barrier Reef?

那么大的情况有多严重？

We've hiked mountains, flown over the Great Barrier Reef.

我们徒步爬山，飞越了大。

The Great Barrier Reef is made of hard corals.

大由硬珊瑚组成。

You hear a lecture about the Great Barrier Reef.

你将听到关于大的讲座。

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

管名叫大，它并不仅仅是一个大型珊瑚。

You can also fly over the reef to see it from the air.

你也可以搭乘飞机飞越大去欣赏。

You can take a boat out to the reef and admire its colorful fish.

你可以乘船去大，欣赏那里五颜六色的鱼。

Let's head down under the waves Down Under to learn more.

下面我们一起潜入澳大利亚大，了解更多相关信息。

Great Barrier Reef, Niagara Falls, Grand Canyon, or Galapagos Islands.

大、尼亚加拉瀑布、大峡谷还是加拉帕戈斯群岛？

Great Barrier Reef, Amazon Reef, Apo Reef, A Christmas Reef?

大、亚马逊、阿波还是圣诞？

But if you said the Great Barrier Reef, you are corally correct.

如果你回答是大的话，那就答对了。

You have to visit the Great Barrier Reef - it's just amazing!

你得去看大-它太令人称奇了！

Well, the Australian government is responsible for stewardship of the Great Barrier Reef.

澳大利亚政府负责管理大。

The divers hope to restore part of Cuba's barrier reef.

潜水员希望恢复古巴的部分。

Her work has centered on humpbacks that reproduce near Australia's Great Barrier Reef.

她的研究主要集中在澳大利亚大附近繁殖的座头鲸。

Cozumel is part of the Mesoamerican Barrier Reef, the world's second largest reef.

科兹美岛属於中美洲大的一部份，这是世界上第二大的珊瑚。

The Great Barrier Reef is the world's largest living ecosystem.

大是世界上最大的生物生态系统。

In Australia, the Great Barrier Reef adds $4.2 billion to the economy each year.

在澳大利亚，大每年为经济带来42亿美元的增长。

42,000 images were collected during the last Great Reef census.

上一次大普查收集了42,000张图像。