名詞 birthright:

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

1. He was born stupid, and greatly increase his birthright.
   他天性愚蠢，而且還大大地擴大了他的這種天賦之才。
2. Freedom is our birthright.
   自由是我們與生俱來的權(quán)利

birth.right

n.（名詞）
A right, possession, or privilege that is one`s due by birth.See Synonyms at right
生來就有的權(quán)利、財產(chǎn)或特權(quán)參見 right
A special privilege accorded a first-born.
長子繼承的一種特權(quán)