顺位

tā zài wáng wèi jì chéng rén shùn wèi zhōng pái dì yī

她在王位继承人顺位中排第一。

She's first in order of succession to the throne.

tā shì wáng wèi de dì qī shùn wèi jì chéng rén

他是王位的第七顺位继承人。

He was seventh in the line of succession to thethrone.