These islands are at a perilous crossroads.

这些岛屿正处于危险的十字路口。

And these islands are not equal.

这些岛屿之间也各有差异。

Which of these islands would you find in the Caribbean?

下面的岛屿中哪个位于加勒比海域？

People on these island fought for independence and finally succeeded.

这些岛上的人民为独立而战，终获胜利。

People on these islands fought for independence and finally succeeded.

这些岛上的人民为独立而战，终获胜利。

These islands have recently become a catalyst for Pacific aggression.

这片岛屿最近成为太平洋争端的一个导火索。

Also, it takes a lot to live on these islands.

而且，在这些岛上生活需要付出很多。

Which of these islands is located off the south coast of England?

以下哪一座岛屿位于英格兰南部海岸附近？

But in reality, life is far from paradise for these island communities.

但实际上，这些岛屿社区的生活远非天堂。

The massive forces that forged these islands, left behind incredibly dramatic scenery.

大自然的神奇力量将这些岛屿，锻造成极端多变的景观。

In the future, these islands will join together to form the first continents.

未来它们将结合起来，构成第一批大陆。

And that's how these islands were formed, the immense achievement of microscopic animals.

这就是群岛—微生动物的惊人杰作的形成过程。

Firstly the people who grow up on these islands have a strong connection to water.

首先，在这些岛上长大的人与水有着紧密的联系。

They'd been told that these islands, and several others nearby, were populated by cannibals.

他们听说这些岛屿以及附近的一些岛屿都居住着食人族。

Which of these island chains actually belongs to Spain though it's geographically closer to Africa?

以下的哪些列岛尽管在地理上更靠近非洲，实际上却属于西班牙？

By the 1870s, most of the guano on these islands had been already been mined.

到1870年代末，这些岛上的绝大多数鸟粪都已开采殆尽。

These islands are also home to spectacular beaches, with shallow blue waters and fine white sand.

这些岛屿还有壮观的海滩、蓝色的浅水和白色的细沙。

Descendants of slaves settled here tilling the fertile land of these islands and the adjacent coastline.

奴隶后裔在此定居并耕种岛上和附近沿岸的肥沃土地。

In spite of their importance, little is known about the role these islands play in the ecosystem.

尽管树岛如此重要，但很少有人了解这些小岛在生态系统中扮演的角色。

The most volcanically active of these islands is Java in Indonesia, with 42 volcanoes in a row.

这些岛屿中，火山活动最活跃的是印尼的爪哇，有 42 座火山排成一行。