But Africa isn't all sand and dunes.

但非洲并全是沙丘。

Titan has wind-sculpted dunes, but they're made of hydrocarbon grains, not sand.

土卫六上有许多风塑沙丘，过它是由碳氢化合物颗粒构成的，而是沙。

These vehicles don't drive over the rock surface like an interplanetary dune buggy.

这些探测车在小行星表面并像沙丘越野车一样行驶。

One sits down on a desert sand dune, sees nothing, hears nothing.

坐在一个沙丘上，什么也看见、听见。

The sand dunes. Yes, it is Mui Ne famous for.

沙丘。嗯，美奈市以沙丘而闻名。

But I saw the sand dunes, and I was quite impressed.

过我看到了沙丘，那令我印象深刻。

Keep away from the sand dunes, there are snakes in there!

远离沙丘，那里有蛇！

Formed from shifting dunes over 150 million years ago.

由一亿五千万年前移动的沙丘形成。

The dunes are surreal forming huge waves of endless sands.

沙丘超现实地形成了无尽的沙浪。

They were mid-battle when, suddenly, a sand dune collapsed on top of them.

在战斗时突然刮来了一团沙丘盖在了的头顶。

Dunes on Saturn's moon Titan, made of frozen hydrocarbons.

土星卫星土卫六上的沙丘，由冰冻的碳氢化合物组成。

Even dunes of frozen methane on Pluto.

甚至还有冥王星上冻结的甲烷沙丘。

The local government wants to improve tourists' understanding of the importance of the dunes.

当地政府希望提高游客对“沙地重要性的理解”。

The animals that call these dunes, rocks and canyons home specialize in the extreme.

活在这些沙丘、岩石和峡谷中的动物都是极端环境的专家。

Bill Smith said he was excited to see the sand dunes in person.

比尔·史密斯表示自己很兴奋能够亲眼看到这座沙丘。

I was among those gathered on that dune in 2006, on assignment for National Geographic.

我也在2006年聚集于沙丘的那群人之中，受到《国家地理》杂志的指派前去探访。

They're breaking through the dunes to the east.

东边的沙丘快失守了。

Zig-zagging and jumping, she uses the dunes to mask her location.

之字形跳跃，利用沙丘来掩盖它的位置。

Star dunes like these can be 300 metres high.

这些巨型沙丘高达300多米。

The lonely bush in the dip of the dune marks the valley of the well.

沙丘凹陷处的那一丛灌木，是有水井那个溪谷的标志。