亀甲きっこう獣骨じゅうこつ文字もじであれば
kikkōjūko tsumojideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 亀甲獣骨文字

1. If it were a turtle shell bone inscription:; If it is a turtle shell bone inscription:

Ba Conditional