Exploring the Deep Sea

Surprisingly, we have more detailed maps of the Moon than of the deep ocean floor.

令人惊讶的是，我们拥有的月球地图比深海海底地图还要详细。

The extreme pressure, darkness and cold make the deep sea extraordinarily difficult to explore.

极端的压力、黑暗和寒冷，使深海异常难以探索。

Nevertheless, remotely operated vehicles have revealed an astonishing variety of life.

尽管如此，遥控潜水器还是揭示了种类惊人的生命。

Some creatures produce their own light to attract prey or communicate.

有些生物会自己发光，以吸引猎物或相互交流。

Others survive near hot springs on the sea floor, without any sunlight at all.

还有一些生物生活在海底温泉附近，完全没有阳光。

Scientists believe many species living there have yet to be discovered.

科学家认为，生活在那里的许多物种尚未被发现。

At the same time, companies are showing interest in mining valuable metals from the seabed.

与此同时，一些公司对开采海底的珍贵金属表现出兴趣。

Conservationists warn that such activity could damage ecosystems we barely understand.

环保人士警告说，此类活动可能会破坏我们几乎一无所知的生态系统。

Deciding how to use the deep sea responsibly is becoming an urgent question.

如何负责任地利用深海，正成为一个紧迫的问题。