biological parents

例句：

1. 1. They are raisingtheir children as if they were biological parents.
   他们像亲生父母一样抚养他们的孩子。
2. 2.The couple is considering adopting a child from the local orphanage to become their biological parents.
   这对夫妇正在考虑从当地的孤儿院收养一个孩子，成为他们的生物学父母。
3. 3. He was born into a family of wealthy businessmen and has never had to worry about his biological parents.
   他出生在一个富裕的商人家庭，从未担心过他的生物学父母。