天火字典

英日字典：･ｫ･･ﾖ･｢ｷﾏ

･ｫ･･ﾖ･｢ｷﾏ

･ｫ･･ﾖ･｢､ｱ､､

(n,adj-no) Cambrian system (i.e. rock layer deposited during the Cambrian period)

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