prince
/prɪns/
a male member of a royal family other than the sovereign (especially the son of a sovereign)
中文释义:王子;亲王
The prince is expected to inherit the throne after his father.
王子预计将在父亲之后继承王位。
The prince married a commoner, which surprised the royal family.
王子与平民结婚,这让王室感到惊讶。