Related subjects are anatomy, biology and paleontology.

相关学科包括解剖学、生物学和古生物学。

Related subjects are psychology and psychiatry.

相关学科有心理学和精神病学。

We use a semicolon to connect two independent clauses that have related subjects.

我们用分号来连接两个具有相关主题的独立分句。

On a related subject, let’s talk about DNA.

关于相关主题， 我们来谈谈 DNA。

And on a related subject how is it  that London, with its cool winters, the mild Azores and even Quito, just miles  from the equator, experience the same climate, since Koppen said they were all Oceanic, right?

在一个相关的话题上，伦敦的冬天凉爽，温和的亚速尔群岛，甚至距离赤道仅几英里的基多，是如何经历同样的气候的，因为柯本说它们都是海洋性的，对吧？