三叠纪 Traditional 三疊紀 Sān dié jì 🔊 Triassic (geological period 250-205m… + Keep this word Meanings Sān dié jì name 三疊紀 Triassic (geological period 250-205m years ago) Its characters 三sānthreeHSK 1叠diéto pile upHSK 7–9纪jìorder