n.离题；脱轨
digression的复数

原形：digression复数：digressions

His lecture took a digression into the history of the subject, which was fascinating but slightly off-topic.
他的演讲偏离主题，深入探讨了该学科的历史，虽然很吸引人但有些跑题。
During their conversation, they had a digression about travel experiences, which lasted for almost an hour.
在交谈中，他们对旅行经历进行了长时间的闲聊。
The author's novel started with a compelling premise, but then took a digression into a subplot that didn't quite resonate with readers.
作者的小说开始时引人入胜，但后来偏离主线去发展了一个不太能引起读者共鸣的副线。
As they were discussing the project, the manager decided to take a digression to discuss company policy.
在讨论项目时，经理突然岔开话题，谈论起公司政策。
Her speech was well-structured, but unfortunately, she allowed herself a digression on her personal life, losing some focus.
她的演讲结构严谨，但不幸的是，她偏离主题，谈到了个人生活，导致了一些注意力的分散。
The teacher interrupted the class to take a digression on grammar rules, explaining them in more detail.
老师打断课堂，进行一次语法规则的插曲，详细地解释了它们。
Their hike turned into a digression as they discovered a hidden waterfall, spending hours admiring its beauty.
他们的徒步旅行变成了一次偏离原计划的探索，他们在一处隐蔽的瀑布前花了几个小时欣赏。
In the middle of the debate, a digression on climate change led to a heated discussion among the panelists.
辩论过程中，关于气候变化的插话引发了专家们激烈的争论。
After finishing his main point, the speaker indulged in a digression about his passion for painting, which captivated the audience.
演讲者说完主要观点后，他分享了自己对绘画的热爱，这吸引了听众的注意。
The film's narrative took a digression to explore the backstory of a supporting character, providing valuable context for the story.
电影的情节偏离主线，深入描绘了一个配角的背景故事，为剧情提供了丰富的背景信息。