Read Edit View history 三迭纪 Sāndiéjì Triassic Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 三迭纪/三迭紀 · Sāndiéjì · Triassic 2026/03/04 三迭纪 / 三迭紀 Sāndiéjì Triassic Triassic (geological period 250-205m years ago) 三迭纪是中生代的开端。 time word created sense Mar 4, 2026, 02:25 AM created reference approved 三迭纪/三迭紀 → 三叠纪/三疊紀 (same_as) 2026/03/04 三迭纪 / 三迭紀 Sāndiéjì 三叠纪 / 三疊紀 same_as created reference Mar 4, 2026, 02:25 AM