royal blood 王室血统
royal succession 王位继承
line of succession 继承顺序
direct line 直系
1. The prince is a prominent member of the royal line.
这位王子是王室血统中的重要成员。
2. They are studying the royal line of ancient kings.
他们正在研究古代国王的王室世系。
3. The royal line has remained intact for centuries.
王室血统已经延续了几个世纪。
A: Does he belong to the royal line?
A：他属于王室血统吗？
B: Yes, he is next in the line of succession.
B：是的，他是继承顺序中的下一位。
1) 王室血统
2) 皇室世系
3) 继承序列
1. 王室血统；皇室世系
e.g.
The succession within the royal line is strictly regulated.
王室世系的继承受到严格监管。
noun phrase
1. The lineage or descent of a royal family.
Synonym: royal lineage, dynasty