He said he knew nothing about his natural parents.

他说他对自己的亲生父母一无所知。

youdao

Yes, I was abandoned by my natural parents ten years ago.

是的，我的父母十年前抛弃了我。

youdao

According to my mother, my natural parents were Samoan and only teenagers when I was born, so they gave me up for adoption.

母亲告诉我，我的生身父母是萨摩亚人，我出生时他们才十几岁，所以他们把我送给别人抚养。

youdao

Doctor Spock said his work was an effort to help parents trust their own natural abilities in caring for their children.

VOA: special.2009.03.15

How do you know that your parents, at least one of your parents satisfies the definition? Well I've reduced the problem from am I a natural born US citizen to is one of my parents a natural born US citizen?

这是一个递归的定义，你怎么知道你的父母,至少其中一个是满足天生的美国公民,这个定义的呢？,我已经把我是一个天生的美国公民这个问题？

麻省理工公开课 - 计算机科学及编程导论课程节选

Now if you were not born in the United States, you may still be, under definition, a natural born US citizen if you're born outside this United States, both of your parents are citizens of the United States and at least one parent has lived in the United States.

现在如果你不是出生在美国，你可能,即使你出生在美国以外的地方,只要你的父母都是美国公民,而且至少一个居住在美国,那么按照定义。

麻省理工公开课 - 计算机科学及编程导论课程节选

Both of the girls' natural parents, who live apart, are fighting for custody of the twins.

BBC: You are in: UK

She was raised by a Muslim couple who later resisted her return to her natural parents.

ECONOMIST: Asian nation-building

Their QC urged judges to view this was an "exceptional" case where the children's adoptive placements could be cancelled, enabling their return to their natural parents.

BBC: Parents in court to 'clear names'