n.女继承人,嗣女
He adopts his niece as his heiress.
他指定他的侄女为继承人.
Byron has married an heiress.
拜伦娶了个有遗产的女人.
From the start, doubts surrounded her claim to be the missing heiress.
她自称是失踪的女继承人这件事从一开始就存在很多疑点.