从遗传基因上来将，它们既是它们自己也是同胞兄弟姐妹。

They are, genetically, both themselves and their sibling at the same time.

youdao

从遗传基因上来将，它们既是它们自己也是同胞兄弟姐妹。

They are, genetically, both themselves and their sibling at the same time.

youdao