Yet the twilight zone is virtually unexplored.

然而，过渡带几乎未探索过。

Huge parts of the world are still unexplored.

世界的很分地区还没有考察过。”

Sleep is something that has really been an unexplored topic cross-culturally.

睡眠这个话题还没有以跨文化的方式研究过。

And it's largely an unexplored frontier.

而且那里基本上是一个未开发的领域。

In fact, we live on a mostly unexplored planet.

事实上，我们就生活在一个很多地方皆未研究的星球上。

They're unexplored, un-surveyed, scientifically misunderstood most of the time.

在多数时候，它们都是未经开发与勘测，在科学上误解的存在。

Heidi Kunz organization first pulls unexplored mines from the earth.

海蒂·昆兹组织是首次从土地中勘探隐藏的地雷。

The vast majority of our deep seas remain unexplored, and unknown.

我们深海的分仍未探索，未知。

The truth is that these invisible molecular worlds are vast and largely unexplored.

事实是，这些看不见的分子世界幅员辽阔，分还未经勘探。

More than 80% of the world's oceans are still unmapped, unobserved, and unexplored.

世界 80% 以上的海洋仍然未测绘，未观测，未勘探。

It takes hours of diving to hit bottom, and it's largely an unexplored frontier.

要潜到水底需要几个小时，而且那里基本上是一个未开发的领域。

Scientists are trying to find out more about this largely unexplored world, but it is challenging.

科学家们正试图更多地了解这个基本上未探索过的世界，但这很具挑战性。

India's moon craft would have become the first to land at the moon's unexplored south pole.

印度月球探测器原本可以成为首个登陆无人涉足的月球南极的探测器。

These vast, unexplored forests are the only places left on Earth where entire communities can live undetected.

这些广阔的、未经勘探的森林是地球上唯一一个能让整个族安居并不发现的地方。

But they ended up focusing on how baby chimps behave, so their extensive recordings have remained largely unexplored.

但结果把重点放在观察幼年黑猩猩上了。这样一来，尽管他们录下了量音频，但其中分是没研究过的。

Only a couple dozen have reached the seven mile depth of the Challenger Deep, so it's largely unexplored.

但只有几十个达到了7英里深的“挑战者深渊”，所以它在很程度上还没有探索过。

95 percent of our oceans remain unexplored.

我们 95% 的海洋仍未开发。

He calls the sea floor, the last unexplored frontier.

他称海底为最后未开发的边界。

Using sound, however, remained largely unexplored.

然而，声音的使用在很程度上仍未得到探索。

A vast, unexplored wilderness shrouded in mystery.

是一个庞的笼罩在谜团中的处女地。