The naturalparent give the adoptive parents full rights and responsibilities of the child and relinquishes all rights of their own.
自然母公司给予充分养父母的权利和义务的儿童和放弃所有权利自己。
2
For example, even when someone likes a new stepparent, it's natural to feel some pangs that this new person is "replacing" a beloved parent in some way.