But Africa isn't all sand and dunes.

但非洲并不全是沙丘。

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，不过它们是由碳氢化合物颗粒构成的，而不是沙子。

Where the medinas create a maze of narrow alleyways, and the sand dunes paint an endless picture of crimson and gold.

麦地那的小巷如迷宫般狭窄，而沙丘则描绘出了一幅无尽的深红色和金色交织的画面。

So if you have areas of high elevation like towering sand dunes or hills, directly next to areas of low elevation like a depression, you can get spots like this where the water table nears or even exceeds the surface.

因此，如果是高海拔地区，比如高耸的沙丘或山丘，紧挨着低海拔地区，如洼地、便看到这样的地方，那里的地下水位临近地表，甚至超过地表。

Of course it might have caused some grief to see the car go, some critics might have called it " Bocatan crazy" , but the fans would have said at least they care enough to " dune" such a good job.

当然，这会引起们对卖掉车的不满，一些评论会说这是疯癫了，但星战迷们会说，至少他们足够在意“做好”这项出色的工作。

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

坐在一个沙丘上，什么也看不见、听不见。

It looks like a remote controlled dune buggy but this little vehicle has a unique way of getting out of a jam.

它看起来像一辆遥控沙丘车，但这辆小车有自己独特的方式来摆脱困境。

Besides echoing the shape of the iconic FIFA World Cup trophy, the swooping curves represent the undulations of the desert dunes and also takes inspiration from a traditional woolen shawl worn during winter in the Arab and Gulf region.

除了与国际足联世界杯标志性奖杯的形状相呼应之外，它的下飞曲线代表着沙漠沙丘的起伏，灵感也来自阿拉伯和海湾地区冬季佩戴的传统羊毛披肩。

And the second thing helping him to climb the dunes, the back legs actually, he has a three knees not one, has three.

帮助它爬上沙丘的第二件东西实际上是其后腿，它（的后腿）有三个膝关节，不是一个是三个。

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

远离沙丘，那里有蛇！

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

他们在战斗时突然刮来了一团沙丘盖在了他们的头顶。

Dunes can grow to ridiculously large scales.

沙丘以大得离谱。

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们都是极端环境的专家。

Some of the dunes here look partly round.

这里的一些沙丘看上去有补一份是圆的。

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。

And you just spend 4, 5 days, maybe a week, 2 weeks, just swimming in the sea, playing in the sand dunes, walks in the forest: just a really relaxing time with family and family friends.

你以在那里度过四五天，甚至是一两周的时间，以在海里游泳，在沙丘上玩耍，在森林里散步；和家和朋友享受休闲时光。

Star dunes like these can be 300 metres high.

这些巨型沙丘高达300多米。

Other beetles can move very quickly over the dunes.

其它甲虫在沙丘上快速移动。

The dunes almost completely obscure the view of the forest from the ocean.

沙丘几乎完全挡住了从海上看森林的视线。