The proper terminology for this Sexual Dimorphism.

这种性别二态性的正确术语。

That difference is one example of sexual dimorphism.

这种差异是性别二态性的一个例子。

There have been many proposed cases of sexual dimorphism in dinosaurs.

有许多关于恐龙性别二态性的案例。

Which of the following is an example of sexual dimorphism in modern animals?

以下哪项是现代动物性别二态性的例子？

This is a good example of sexual dimorphism.

这是性二态性的一个很好的例子。

So some things are relatively obvious when it comes to sexual dimorphism.

所以当涉及到两性二态时，有些事情是相对明显的。

However, because many ceratopsians are known from single specimens, it becomes hard to say anything definitive about sexual dimorphism.

然而，由于许多角龙都是从单一标本中发现的，因此很难对两性二态性做出任何明确的判断。

And in a paper published this week in the Proceedings of the Royal Society B: Biological Sciences, a group of researchers studied sexual dimorphism in humans and other primates -- specifically, in their voices.

在本周发表在《皇家学会学报 B：生物科学》上的一篇论文中，一组研究人员研究了人类和其他灵长类动物的性二态性——特别是它们的声音。