One place these pioneering organisms may have emerged is at hydrothermal vents, deep underwater.

这些先驱生物出现的其中一个地方是海热泉和海。

Both toothed and baleen whales often hunt by diving deep-prey being more abundant at depth.

齿鲸和须鲸通常都潜入海，为海里的猎物更多。

Deep dives are important because of a major gap in human understanding of the deep oceans.

海潜水很重要，为人类对海的认识有很大的差距。

You'd have to go out into the deep sea to find more dangerous animals.

海有更多的危险动物。

But scanning the deep ocean isn't easy.

但是扫描海并不容易。

Listen to this hydrothermal vent deep under the ocean.

听一听来自海的热液喷口。

Inner space is almost as hard to explore as outer space.

探太空难，察海亦不易。

What if, in the deeps of the ocean, the Kraken was prowling?

如果挪威海怪海潜行？

A long way out in the deep blue sea there lived a fish.

湛蓝的海中住着一只鱼。

That's why our Deep Sea Adventure is better for you!

所以我们的海探险之旅更适合你！

Squid shoot up from the depths to feed near the surface.

乌贼从海游上来靠近海面寻找物。

He said vehicles that can dive deep into the ocean are rare.

他说，能潜入海的载具非常罕见。

The deep ocean is full of strange life forms that we know very little about.

海充满了我们知之甚少的奇怪生命形式。

The dead fish include rare species that live in deep water, far from land.

包括远离陆地生活海中的珍稀鱼类。

Then they got into a boat and rowed far out to the deep water.

接着他们上了一艘船，划向了海。

One of my goals was to return to enable deep-ocean science.

我的目标之一是回归海洋，探索海科学。

Of course, the discovery of deep-sea species proved him wrong.

当然，海物种的发现证明他是错的。

As with deep water, it's a battle to stay in deep time.

就像水一样，这是一场留海的战斗。

There's a deep-sea bat-fish looking like a baby Yoda thingy.

这是一条看起来像是婴儿尤达的海蝙蝠鱼。

For the past year, they've been feeding in deeper waters.

过去的一年里，它们一直海里觅。