birthright
英 ['bɜːθraɪt]
美['bɝθraɪt]
	    - n. 与生俱来的权利;长子继承权
 
英英释意
- 1. a right or privilege that you are entitled to at birth;
 - "free public education is the birthright of every American child"
 
- 2. an inheritance coming by right of birth (especially by primogeniture)
 
- 3. personal characteristics that are inherited at birth