他在演讲中插入了几个笑话,让气氛轻松了一些。

He interposed a few jokes into his speech to lighten the mood.

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He interposed a few jokes into his speech to lighten the mood.

interposed 是动词 interpose 的过去式。interpose 由前缀 inter-(表示"在...之间")和 pose(放置)组成,字面意思是"放在中间",引申为"插入、介入"的意思。这里指在演讲过程中适时地插入笑话。

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