The land at the bottom of the sea was black shale rock.

海底的土地黑色页岩岩石。

There's a log in the hole in the bottom of the sea.

海底的洞穴里有段木头。

In order for things to improve underwater down under.

这样才能保证海底的情况得到改善。

The wrecked ship rested on a shelf at the bottom of the sea.

破毁的船只搁置在海底的暗礁上。

The destruction of old ocean floor happens in 'subduction zones.'

旧海底的破坏发生在“俯冲带”。

Iit's organic material that's sinking to the seabed and it's food here.

海雪沉入海底的有质，这里的食。

It's organic material that's sinking to the seabed and it's food here.

海雪沉入海底的有质，这里的食。

And so we -- we try every minute possible on the bottom.

所以我们尽量利用好在海底的每一分钟。

The little mermaid lives in a beautiful castle in the deep blue sea.

小美人鱼住在蓝色海底的一个美丽城堡里。

Coral reefs cover less than 1 percent of the ocean floor.

珊瑚礁覆盖面积不足海底的1%。

But the industry also adds to the junk piling up on the ocean floor.

但该行业也使堆积在海底的垃圾不断增加。

I gather they're putting up a stone to mark those whose bodies were never found.

他们大概要建个石碑，纪念那些长眠海底的人。

And so more people have been to space than the bottom of the ocean.

所以，上过太空的人 比下过海底的人还多。

The sensors also recorded the animals' location and depth beneath the sea.

传感器还记录了这些动在海底的位置和深度。

Bloodworms are small sea creatures which burrow into the mud of the ocean floor.

血虫一种小型的海洋生，它们在海底的泥浆中挖洞。

Cloud cover and glare from the seafloor also help keep the Bahamas seagrass hidden.

云层和海底的强光也有助于让巴哈马海草保持隐蔽。

It can deploy a robot that can easily reach the 4-kilometre-deep seabed.

该船只能够部署一个可以轻松到达 4 公里深海底的器人。

To get them in place, the turbines are guided onto steel bases on the seafloor.

要安置这些涡轮，就需要将它们引导到海底的钢座上。

I worked the deep wells for a week and did nothing, he thought.

我在这海底的深渊上转游了一个礼拜，可一无作为，他想。

Because those hydrothermal vents underneath that sea might have created a very conducive environment for life.

因为海底的热液喷口可能为生命创造了非常有利的环境。