Read Edit View history 泛大洋 fàndàyáng panthalassa Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 泛大洋 · fàndàyáng · panthalassa 2026/03/04 泛大洋 fàndàyáng panthalassa Panthalassa, the vast global ocean that surrounded the supercontinent Pangaea during the late Paleozoic and early Mesozoic eras (geology) 泛大洋曾是包围盘古大陆的巨大海洋。 noun created sense Mar 4, 2026, 02:25 AM