在撒哈拉沙漠，白天和晚上的温度差别很大。
In the Sahara, temperatures are very different during the day and at night.
这又怎么能证明撒哈拉沙漠曾经是湿润的呢？
即使在变得干旱之前，撒哈拉沙漠也从未得到充分的灌溉。
当撒哈拉沙漠的温度飙升到120华氏度时，大多数动物会寻找庇荫处。
Most animals seek shade when temperatures in the Sahara Desert soar to 120 degrees Fahrenheit.
总之，这些花粉化石，还有含水层和岩画，这三样东西都证明了撒哈拉沙漠曾经比现在绿得多。
Anyway, it's this fossilized pollen along with the aquifers and the rock paintings, these three things are all evidence that the Sahara was once much greener than it is today.
撒哈拉沙漠虽然干燥，但却是一个高度多样化的地区，自公元前10000年以来经历了重大的气候变化。
The Sahara is a highly diverse, albeit dry, region that has undergone major climatic changes since 10,000 B.C.
撒哈拉沙漠下面是巨大的含水层，基本上是一片淡水的海洋，那可能是经过岩石层过滤的，已经有一百万年历史。
Beneath the Sahara are huge aquifers, basically a sea of fresh water, that's perhaps a million years old filtered through rock layers.
伊比利亚半岛上的垃圾填埋场长期以来一直吸引着当地的白鹳，但研究中标记的所有西班牙鸟类都飞越了撒哈拉沙漠，来到了萨赫勒的西部地区。
Landfill sites on the Iberian peninsula have long attracted local white storks, but all of the Spanish birds tagged in the study flew across the Sahara desert to the western Sahel.
赞比亚是撒哈拉沙漠以南非洲最高度城市化的国家。
在撒哈拉沙漠，昼夜温差很大。
In the Sahara, the difference in temperature between the day and the night is pretty big.
在撒哈拉沙漠，我们白天要避开太阳，晚上要找一个温暖安全的地方睡觉。
In the Sahara, we should stay out of the sun during the day and find a warm and safe place to sleep at night.
撒哈拉沙漠是世界上最大的沙漠，面积超过900万平方公里。
The Sahara, the world's largest desert, is more than 9 million square kilometers in size.
我们应该至少每小时喝一次水，并努力使我们的水在撒哈拉沙漠中保存更长时间。
We should drink some water at least once every hour and try to make our water last longer in the Sahara.
撒哈拉沙漠是一个沙质沙漠，有很多沙丘。
随着撒哈拉沙漠的移动，近期一些文献指出了该地区的季风迁移。
Now as far as the Sahara goes, there is some recent literature that points to the migration of the monsoon in that area.
在特提斯海留下的沉积物中发现了另一种早期鲸鱼龙王鲸的几具骨架，它们现在暴露在撒哈拉沙漠中。
Several skeletons of another early whale, Basilosaurus, were found in sediments left by the Tethys Sea and now exposed in the Sahara desert.
他们的迁徙可能是人口增加引起的，这一人口增长是由人们逃离撒哈拉沙漠的干燥或干涸的迁移造成的。
Their migration may have been set in motion by an increase in population caused by a movement of peoples fleeing the desiccation, or drying up, of the Sahara.
那位作家决定去撒哈拉沙漠住一段日子。
The writer decided to live in the Sahara Desert for some time.
我住在非洲大陆—在撒哈拉沙漠及其周边地区。
I live on the continent of Africa — in and around the Sahara Desert.
撒哈拉沙漠上空，接近有几千年历史的古老土地。
Over the Sahara Desert approaching ancient lands and thousands of years of history.
从窗口看出去是黄褐色、棕色和橘色的撒哈拉沙漠。
The tan, brown, and orange Sahara Desert is visible through the windows.
另外，西撒哈拉沙漠南部也有蝗灾的报告。
这场热浪归罪于从撒哈拉沙漠向北袭来的大量热空气。
The heatwave has been blamed on masses of hot air from the Sahara Desert moving north.
非洲象居住在野外，相当于撒哈拉沙漠以南的非洲大陆。
African elephants live in the wild on much of the African continent south of the Sahara.
撒哈拉沙漠提供的这种轻便的户外厕所为你解了燃眉之急。
Sahara provides this handy outdoor toilet to solve the pressing need for you.
正如撒哈拉沙漠之于非洲，荒漠化同样威胁着南澳大利亚。
Much like the Sahara in Africa, desertification also threatens South Australia.
北方白面猫头鹰常见于赤道到撒哈拉沙漠之间的非洲地区。
The northern white-faced owl is found in Africa between the Equator and the Sahara desert.
其中大多数人居住在撒哈拉沙漠以南的非洲和亚洲。
Many of those people are living in Sub-Saharan Africa and Asia.
看其中的一些图片，你会觉得自己正在飞越大峡谷或撒哈拉沙漠。
Looking at some of the photos, you feel like you're flying over the Grand Canyon or the Sahara.
布莱恩·卡库克正在收集古代时候从撒哈拉沙漠飘来的红色尘土。
Brian Kakuk USES a Turkey baster to collect red dust blown from the Sahara in ancient times.
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