撒哈拉沙漠

I have got one of my Sahara thirsts ontonight.

今晚上我又发作了一次撒哈拉沙漠式的口渴。

Although the Sahara has been bone-dry for most of its history, it undergoes an approximately 5,000-year humid period every 100,000 years as a result of variations in Earth\'s tilt and the shape of its orbit that change the way sunlight hits the planet.

在其大部分的历史上，尽管撒哈拉沙漠已经变得极为干燥，但是每隔大约5，000年，它都要经历一个湿润期，每100，000年作为地球倾斜变化的结果，它轨道的形状改变了阳光射向这颗行星的路线。

Just why they took so long to travel north is not clear, but many researchers have suggested that the bone-dry Sahara Desert was a major barrier to migrations from the south.

至于人类究竟为什么在这么长时间之后才开始朝北迁移，原因尚不清楚。然而，许多研究人员提出，极为干燥的撒哈拉沙漠是自南向北迁移的主要障碍。

Just why they took so long to travel north is not clear, but many researchers have suggested that the bone-dry Sahara Desert was a major barrier to migrations from the south.

至于人类究竟为什么在这么长时间之后才开始朝北行进，原因尚不清楚。然而，许多研究人员提出，极为干燥的撒哈拉沙漠是自南向北迁移的主要障碍。

This time the migrant workers, from the Maghreb and sub-Saharan Africa, came for the winter harvest of oranges and clementines only to find that many farmers preferred to leave their fruit to rot because it would cost more to get it picked than they could earn selling it.

每年的这个时候，大量的移民工人从 Maghreb和撒哈拉沙漠以南的非洲赶往柑橘冬季收割的地区，然而却发现那些农场主更愿意让他们的水果在树上腐烂，因为采摘的费用要超过他们卖这些柑橘所得的收入。

That was when there were crops to pick. This time the migrant workers, from the Maghreb and sub-Saharan Africa, came for the winter harvest of oranges and clementines only to find that many farmers preferred to leave their fruit to rot because it would cost more to get it picked than they could earn selling it.

Maghreb和撒哈拉沙漠以南的非洲赶往柑橘冬季收割的地区，然而却发现那些农场主更愿意让他们的水果在树上腐烂，因为采摘的费用要超过他们卖这些柑橘所得的收入。

Some of the gloomiest forecasts of water wars have focused on sub-Saharan Africa.

以撒哈拉沙漠为界，其南边的非洲地带很有可能是未来水战爆发的重灾区。

NASA has estimated that halophytes planted over an area the size of the Sahara Desert could supply more than 90% of the world's energy needs.

太空总署估计，盐土植物种植面积如果有撒哈拉沙漠那麼大，就可以供应全世界90%的能源需求。

Also known as green monkeys, vervets inhabit much of sub-Saharan Africa.

众所周知的绿色猴子，vervets栖息居住大都在非洲的亚－撒哈拉沙漠。

Photo Gallery: Monkeys Also known as green monkeys, vervets inhabit much of sub-Saharan Africa.

众所周知的绿色猴子，vervets栖息居住大都在非洲的亚－撒哈拉沙漠。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。