Undoubtedly, it is the world's longest river and has two major tributaries which are White Nile and Blue Nile. Blue Nile is the source of much of the water as well as brings a great deal of fertility to the river Nile. Nile empties into a large delta that consequently empties into the Mediterranean Sea. Its length is approximately is 4180 miles.

毋庸置疑，尼罗河是世界上最长的河。其两个主要的支流分别为白尼罗河和青尼罗河。青尼罗河为尼罗河提供主要流量，是大部分水的来源。尼罗河流入大型三角洲，而后注入地中海。它的长度大约是4180英里。