He adopts his niece as his heiress.是什么意思？

He adopts his niece as his heiress.

他指定他的侄女为继承人.

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

adopts

v. 采用( adopt的第三人称单数 )，收养，正式接受，吸收（外来词语）；

例句
The module of data encryption adopts Advantaged Encryption Standerd ( AES ).
本文的数据加密模块主要采用高级加密标准 ( AES ).

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

niece

n. 外甥女，侄女；

例句
...his niece from America, the daughter of his eldest sister.
他从美国来的外甥女，他大姐的女儿

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

heiress

n. 女继承人，嗣女；

例句
...the heiress who is badly treated by her dastardly uncle.
受到歹毒的叔叔虐待的女继承人