单词 dya 释义 ▪ I. dyad|dad|Also 7 diad.[ad. L. dyas, dyad-, a. Gr. ά, ά-, the number two.]1. The number two; a group of two; a couple. Cf. duad 1.1675R. Burthogge Causa Dei 244 Now a Monad and a Diad, or One and Two, makes Three.1678Cudworth Intell....