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詞語:Valanginian
Valanginian的解釋
Valanginiann. 風蘭易;凡蘭吟階
Valanginian的意思
valanginian 風蘭易;凡蘭吟階;凡藍今階;Valanginian-Hauterivian 歐特裡夫期;Berriasian-Valanginian 凡蘭吟期;