Read Edit View history 太古宙 Tàigǔzhòu Archaean Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 太古宙 · Tàigǔzhòu · Archaean 2026/03/04 太古宙 Tàigǔzhòu Archaean Archaean (geological eon before 2500m years ago) 太古宙是地球演化史中一个非常重要的阶段。 place name created sense Mar 4, 2026, 02:25 AM