trilogy

The trilogy traces the decline of a powerful dynasty across three generations and several decades.这部三部曲跨越三代人和数十年时间，追溯了一个强大王朝的衰落。

Her philosophical trilogy addresses the relationship between identity, memory, and moral responsibility.她的哲学三部曲探讨了身份、记忆与道德责任之间的关系。