She is under an obligation to her adoptive mother.

她有义务赡养她养母。

She is under an obligation to her adoptive father.

她有义务赡养她养父。

Raised by adoptive parents,Hill received early encouragement in her musical proclivities.

希尔由养父母带大，从小，她音乐爱好就受到了鼓励。

Her adoptive mother was a housekeeper.

她养母是一位管家。