An episode of major depression may occur only once in a person's lifetime, but more often, it recurs throughout a person's life.

重度抑郁发作可能在一个人的一生中仅出现一次，但更经常的是，它在一个人的一生中反复出现。

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It is an episode of the new season of the Universe.

它是新一季《宇宙》中的一集。

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There has never been an episode of domestic violence in our marriage. Ever.

我们的婚姻中从来就没有出现过家庭暴力，从来没有过。

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(Music) The first episode of a Turkish TV series that was reported on Israeli news channels shows an Israeli soldier taking aim at a smiling Palestinian girl, and killing her.

VOA: standard.2009.10.27

And the spotlight effect--Well, before talking about my favorite experiment ever, there is an episode of "The Simpsons" that provides a beautiful illustration of the spotlight effect.

聚光灯效应，在讲我最喜欢的实验之前，先给大家讲一集”辛普森家族“,这一集就很好地解释了聚光灯效应。

耶鲁公开课 - 心理学导论课程节选

I've seen an episode. I thought it was okay. I'm not as big a fan of it as seemingly everyone else is.

我看过一集。我觉得还可以。不过我不像其他人那么着迷。

就业很难 - SpeakingMax英语口语达人

Celebrity chef Maggie Beer discovered on an episode of Who Do You Think You Are?

BBC: Australia��s penal colony roots

Anthony Bourdain filmed an episode of the TV show No Reservations there in 2008.

BBC: A renaissance beyond Cartagena��s historic walls

They have already asked ex-Conservative leader William Hague to host an episode of the new series.

BBC: Tamzin Outhwaite in Final Demand