delta

/ˈdɛltə/

a low triangular area of alluvial deposits where a river divides before entering a larger body of water

中文释义：三角洲

The Nile Delta is one of the most fertile agricultural regions in the world.

尼罗河三角洲是世界上最肥沃的农业区之一。

Many large cities are located on river deltas due to their rich soil.

许多大城市位于河流三角洲，因为那里土壤肥沃。