As I said the monsoon migrated itself, so there was less rain in the Sahara.

就像我说的，季风会自己转移，所以撒哈拉的雨水就少了。

Then there is fossilized pollen, from low shrubs and grasses that once grew in the Sahara.

还有一些石化的花粉，来自于曾经生长在撒哈拉的小灌木丛和草丛。

The drying up of what is now the Sahara desert had pushed many peoples to the south into sub-Sahara Africa.

如今撒哈拉大沙漠的干涸迫使许多人迁移到撒哈拉以南的非洲。

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.

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。

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.

伊比利亚半岛的垃圾填埋场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，到达了西部萨赫勒地区。