digression|digressions

我们的旅行因为绕道去参观一座古堡而偏离了原定路线。

Our trip took a slight ___digression when we detoured to visit an ancient castle.

演讲中多次离题，让听众感到困惑。

The speaker made several ___digressions during the talk, which confused the audience.

演讲者在谈论科学时突然插入了一段关于他童年趣事的题外话。

The speaker made an amusing ___digression about his childhood while discussing science.