Yet the twilight zone is virtually unexplored.

然而，过渡带几乎未过。

Huge parts of the world are still unexplored.

世界很大部地区还没有考察过。”

And it's largely an unexplored frontier.

而且那里基本上是一个未开发领域。

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星球上。

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方研究过。

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

在大多数时候，它们都是未经开发与勘测，在科学上误解存在。

Heidi Kunz organization first pulls unexplored mines from the earth.

海蒂·昆兹组织是首次从土地中勘隐藏地雷。

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

我们深海绝大部仍未，未知。

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

事实是，这些看不见世界幅员辽阔，大部还未经勘。

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

世界 80% 以上海洋仍然未测绘，未观测，未勘。

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过世界，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.

印度月球测器原本可以成为首个登陆无人涉足月球南极测器。

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

这些广阔、未经勘森林是地球上唯一一个能让整个部族安居并不发现地方。

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，尽管他们录下了大量音频，但其中大部是没研究过。

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“挑战者深渊”，所以它在很大程度上还没有过。

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

这些浴池是在所谓九区（Regio IX）出土，这是庞贝公园一大片尚未开发中心区域。

95 percent of our oceans remain unexplored.

我们 95% 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边界。

Large parts of Greenland remain unexplored.

格陵兰岛大部地区仍未开发。