But Darwin also investigated coral reefs and their formation.

但达尔文也调查了珊瑚礁及其形成方式。

But when reefs are bleached or damaged, the fish flee, and the reef suffers.

但当珊瑚礁或受损后，鱼群会逃走，礁石也会遭受破坏。

Warming oceans can harm coral reefs, which turtles need to survive.

海洋变暖会损害海龟赖以生存的珊瑚礁。

They're becoming more frequent, giving the reef less time to recover.

珊瑚来频繁，供珊瑚礁恢复的时间来短。

The open ocean beyond their shallow reef is, in fact, a huge barrier.

外海，即浅礁之外的水域，实际个巨大的障碍。

We have to remember that there are still coral reefs that are alive.

我们必须记住，珊瑚礁还活着。

Almost all of this is ocean and living coral reefs that protect the islands.

保护岛屿的几海洋和生物珊瑚礁。

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

科兹美岛属於中美洲大堡礁的一部份，这世界第二大的珊瑚礁。

The island nation boasts brilliant white sands, clear waters and vibrant coral reefs.

这个群岛拥有洁无瑕的沙滩，清澈透明的海水及充满生机的珊瑚礁。

They've never seen the reef, they've never even seen the outdoor light.

他们从来没有见过珊瑚礁，甚至从来没有接触过户外的光线。

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

这个群岛以其丰富的海洋生物和水下珊瑚礁而闻名。

Couples can enjoy the white beaches, clear waters and vibrant coral reefs around Palawan Island.

情侣们可以享受巴拉望岛周围的色海滩、清澈的海水和充满活力的珊瑚礁。

Coral reefs are already appreciated for their beauty.

珊瑚礁绚丽的外表已备受赞赏。

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

像珊瑚礁一样它们海洋的托儿所。

There's still time to save the reef.

我们还有时间拯救珊瑚礁。

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

大堡礁世界最大的珊瑚礁群。

He used to go fishing on the reef.

他也常常到礁石去钓鱼。

The lagoons themselves are kept filled slightly above sea level by waves overtopping the reef.

礁湖本身被淹没在略高于海平面的海浪中。

It found them to be the biggest current threat to the world's coral reefs.

研究发现，它们目前世界珊瑚礁面临的最大威胁。

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的珊瑚礁，会听见这样的声音。