Yet the twilight zone is virtually unexplored.

然而，过渡带几乎未被探索过。

Huge parts of the world are still unexplored.

世界的大部分地区还没有考察过。”

And it's largely an unexplored frontier.

而且那里基本上是一未开发的领域。

In fact, we live on a mostly unexplored planet.

事实上，我们就生活一地方皆未被研究的星球上。

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

睡眠这话题还没有以跨文化的方被研究过。

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

大数时候，它们都是未经开发与勘测，科学上被误解的存。

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.

我们深海的绝大部分仍未被探索，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，大部分还未经勘探。

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

世界 80% 以上的海洋仍然未被测绘，未被观测，未被勘探。

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

要潜到水底需要几小时，而且那里基本上是一未开发的领域。

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

科学家们正试图更地了解这基本上未被探索过的世界，但这具挑战性。

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能让整部族安居并不被发现的地方。

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

但结果把重点放观察幼年黑猩猩上了。这样一来，尽管他们录下了大量音频，但其中大部分是没被研究过的。

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

但只有几十达到了7英里深的“挑战者深渊”，所以它大程度上还没有被探索过。

The baths were unearthed in the so-called Regio IX, a large central area of Pompeii Park that is still unexplored.

这些浴池是所谓的九区（Regio IX）出土的，这是庞贝公园一大片尚未开发的中心区域。

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。

Large parts of Greenland remain unexplored.

格陵兰岛的大部分地区仍未开发。