我很高兴去参加关于美国历史的讲座英语的翻译：I'm happy to participate in the discussion of United States history lectures in English 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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I'm happy to participate in the discussion of United States history lectures in English

I very happy participate about American history course English

I am very pleased to participate in the lectures on English history of the U.S.

I'm happy to participate in the discussion of United States history lectures in English