delta
柯林斯词典
1. N-COUNT 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. (河流的) 三角洲
...the Mississippi delta. …密西西比河三角洲。
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delta /ˈdɛltə/ (deltas)
剑桥词典
delta noun (RIVER)
[ 可数名词：有复数形式的名词 ] geographyan area of low , flat land , sometimes shaped like a triangle , where a river divides into several smaller rivers before flowing into the sea
三角洲
the Mississippi delta 密西西比河三角洲
the delta of the Nile 尼罗河三角洲
delta noun (LETTER)
[ 可数名词：有复数形式的名词 or 不可数或单数名词：没有复数形式的名词 ] language, mathematics, science (symbol Δ, δ)the fourth letter of the Greek alphabet
（希腊语字母表的第四个字母） 返回 delta