单词 prograde 释义 ▪ I. prograde, a.|prgred|[f. pro-1 1 + retrograde a. and n.]1. Petrol. Of a metamorphic change: resulting from an increase in temperature or pressure. Opp. retrograde a. 3 e.1967K. G. Cox et al. Introd. Pract. Study Crystals x. 200 Th...