Read Edit View history 德尔塔 dé'ěrtǎ delta Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 德尔塔/ 德爾塔 dé'ěrtǎ delta noun · delta (Greek letter Δ, δ) 德尔塔是希腊字母表的第四个字母。 Edit Delete References Add reference No references for this word.