二叠纪 Traditional 二疊紀 Èr dié jì 🔊 Permian (geological period 292-250m… + Keep this word Meanings Èr dié jì name 二疊紀 Permian (geological period 292-250m years ago) Its characters 二èrtwoHSK 1叠diéto pile upHSK 7–9纪jìorder