热心网友
"亲生父母"、"亲兄弟"英文的表达方式如下：natural parents； real borther 亲生儿子（父母、女儿、兄弟）someone's own son( parents,daughter,brother )[提供几个例句]*由法院发出的将亲生父母权转让给收养父母的命令 order by a court which legally transfers the rights of the natural parents to the adoptive parents *他发觉那个女孩是自己的亲生女儿。 He discovered the girl to be his real daughter。 *他们因没有亲生儿女，所以决定领养一个孤儿。 Have no children of their own they decide to adopt an orphan。*那两个老人把这个年轻人当做他们的亲生儿子。 The two senior people accepted the young man as their own son。
热心网友
生母：birth mother生父：birth father亲生兄弟/姐妹：real brother/sister亲生儿女：real son/daughter
热心网友
(parents or children)of one's own.
热心网友
英语中没有必要这样表达,不要加什么亲身的parents怎么的,不过也有这样的表达:blood brother(亲兄弟),非亲生的加词比较普遍