adj.离题的，枝节的

The professor's lecture was digressive, veering off into a discussion of historical context that seemed unrelated to the main topic.
教授的讲座离题了，偏离到与主题看似无关的历史背景讨论。
His storytelling often became digressive, as he would wander off into tangents about his travels and experiences.
他的故事叙述常常会变得离题，经常偏离主线，讲述他的旅行和经历。
The child's fascination with ants led to a digressive conversation about the intricate workings of their social structures.
孩子对蚂蚁的痴迷导致了一场关于它们复杂社会结构的离题讨论。
In her letter, she started with a digressive anecdote about a childhood memory before getting to the main point.
在信中，她先讲了一个冗长的故事，然后才触及到正题。
His presentation was supposed to be concise, but his enthusiasm for the subject made it digressive at times.
他的演讲本应简洁，但对主题的热情使它有时显得偏离主题。
The book's author indulged in a digressive passage about the evolution of language, which some readers found distracting from the main narrative.
作者在书中插入了一段冗长的关于语言进化的离题描述，这让一些读者感到分心。
After a brief introduction, the host's monologue took a digressive turn, veering into personal anecdotes and irrelevant trivia.
主持人简短的开场白后，他的独白开始偏离主题，涉及个人经历和无关的琐事。
The philosopher's discourse was digressive, exploring various philosophical concepts without fully addressing the original question at hand.
这位哲学家的论述冗长且离题，他探讨了许多哲学概念，但并未充分回答手头的问题。
During the debate, the candidate's digressive remarks on无关话题 garnered mixed reactions from the audience.
辩论中，候选人对于无关紧要话题的离题发言引起了观众的复杂反应。
The party guests' conversation meandered digressively, touching on numerous subjects ranging from art to politics.
聚会客人们的谈话漫无目的地跳跃，从艺术谈到政治，涉及多个领域。