delta 'deltә
释义
n. 三角洲, 希腊字母的第四个字
[医] δ(希腊文的第四个字母), 丁种, 三角, 三角形区
英文释义
n. a low triangular area of alluvial deposits where a river divides before entering a larger body of water
n. an object shaped like an equilateral triangle
n. the 4th letter of the Greek alphabet
词形变化
复数: deltas
BNC词频排名: 7,242 | 当代语料库词频排名: 10,451