birthright

名词 birthright:

1. a right or privilege that you are entitled to at birth
2. an inheritance coming by right of birth (especially by primogeniture)
   同义词：patrimony
3. personal characteristics that are inherited at birth

1. He was born stupid, and greatly increase his birthright.
   他天性愚蠢，而且还大大地扩大了他的这种天赋之才。
2. Freedom is our birthright.
   自由是我们与生俱来的权利

birth.right

n.（名词）
A right, possession, or privilege that is one`s due by birth.See Synonyms at right
生来就有的权利、财产或特权参见 right
A special privilege accorded a first-born.
长子继承的一种特权