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新东方-柯林斯雅思备考词典
delta
英 [ˈdeltə]
[NOUN]
deltas
1. [C 可数名词] （河流的）三角洲
A delta is an area of low, flat land shaped like a triangle, where a river splits and spreads out into several branches before entering the sea.
双语例句
例：the Mississippi delta.
密西西比河三角洲。