争论脱离了讨论的主题。

The debate veered away from the main topic of discussion.

《牛津词典》

讨论的主题包括对森林破坏的协同研究，如何扑灭森林火灾，以及关于森林生态系统的欧洲研究项目的扩展。

The topics discussed included the co-ordinated study of the destruction of forests, as well as how to combat forest fires and the extension of European research programs on the forest ecosystem.

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本文讨论的主题可以无缝地应用于这些产品。

The topics discussed in this article apply seamlessly to those products.

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And I'll start with the topic that we'll be covering next week on Monday This is a brain.

我以我们下周一要讨论的主题,作为开始,这是一个大脑

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I guess the other two themes I want to discuss, and not in great detail, but--are the wars.

我估计我想讨论的其他两个主题,不会抠的太细,是战争

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And we're going to do that by talking about some examples, some historical examples, in the sort of technology and vaccine development.

我们将通过讨论一些例子来讲解这个主题,一些历史上的例子,关于科技和疫苗发展的例子

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