Theoretically, their heir' s theory of meteorology can explain the meteor.

从理论上讲，他们的继承人的气象理论能解释这种大气现象。

youdao

youdao

They see their failure to produce an heir as a curse from God.

他们将自己未能生育一个后嗣看作是来自上帝的一个诅咒。

《柯林斯英汉双解大词典》

The world will long remember their son Edward as the heir to a weighty legacy;

VOA: standard.2009.08.29

For their efforts heir hunters charge as much as 40% of the inheritance.

FORBES: Good Will Hunting

In spite of the impression given by the New York Post's Page Six gossip column, it's not really the partying Manhattan girls and their Wall Street heir boyfriends who rule the Hamptons during the summer these days.

BBC: Escape from New York

Gadhafi's brother Saif al-Islam Gadhafi, once seen as their father's heir apparent, is in Libyan custody and is the subject of a tussle between Libya and the International Criminal Court, both of which want to put him on trial.

CNN: Gadhafi's son seeks travel ban waiver, lawyer says