1. 王室;皇族
    The members of royal families are sometimes referred to as royalty .

    e.g. Royalty and government leaders from all around the world are gathering in Japan.
           世界各国的王室成员和政府首脑齐聚日本。
    e.g. ...a ceremony attended by royalty.
           王室成员参加的一个庆典

2. (作家、音乐家等的)版税
    Royalties are payments made to authors and musicians when their work is sold or performed. They usually receive a fixed percentage of the profits from these sales or performances.

    e.g. I lived on about £3,000 a year from the royalties on my book.
           我靠着写书得来的每年约3,000英镑的版税生活。

3. (发明、创意、财产等的)使用费
    Payments made to someone whose invention, idea, or property is used by a commercial company can be referred to as royalties .

    e.g. The royalties enabled the inventor to re-establish himself in business.
           专利使用费让这位发明家得以再次立足于商界。