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二迭纪
èr​dié​jì

Permian

Definitions Defs Origin Strokes Stroke Words Sentences Sents
二迭纪 (二迭紀) èr​dié​jì
Permian time word
Permian (geological period 292-250m years ago)

Cross-References

Same as

  • 二叠纪

Sources
Definitions
CC-CEDICT