The Sahara desert is a natural barrier that separates Northern and Central Africa.

撒哈拉沙漠是分隔北非和中非的天然屏障。

Recent examples of such events are floods in Pakistan, extreme heat in Europe and drought in China, East Africa, northern Mexico, and the U. S. West.

最近发生的极端天气事件包括巴基斯坦的洪涝灾害、欧洲的极端高温事件以及中国、东非、墨西哥北部和美国西部的干旱。

In this world of huge predators, the River of Giants, which is what some call this region of what is now northern Africa, stood out as particularly dangerous.

在这个充满巨型掠食者的世界中，巨人河，也就是现在非洲北部的这个地区，显得格外危险。