Read Edit View history 三叠纪 Sāndiéjì Triassic Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 三叠纪/三疊紀 · Sāndiéjì · Triassic 2026/03/04 三叠纪 / 三疊紀 Sāndiéjì Triassic Triassic (geological period 250-205m years ago) 恐龙在三叠纪晚期开始出现。 time word created sense Mar 4, 2026, 02:25 AM