plural deltas
plural deltas
Learner's definition of DELTA
1
[count] : the fourth letter of the Greek alphabet — Δ or ƍ希腊字母表的第4个字母
2
[count] : a piece of land shaped like a triangle that is formed when a river splits into smaller rivers before it flows into an ocean三角洲 3
[singular] US or Delta : an area of low land along the Mississippi River that is mainly in the state of Mississippi密西西比河流域的)三角洲