习惯上说，地球上最大的一块陆地是沿着乌拉尔山脉分为两大“洲”的。 The largest landmass is usually divided into two "continents" along the Ural Mountains.
苏丹非洲北部一地区，位于赤道以北，撒哈拉大沙漠以南，从大西洋沿岸横贯大陆至埃塞俄比亚山脉 A region of northern Africa south of the Sahara and north of the equator. It extends across the continent from the Atlantic coast to the mountains of Ethiopia.