It is characterized by the presence of physical abnormalities like growth retardation, intellectual disability, and craniofacial defects.

它以身体和神经发育异常为特征，包括生长迟缓、智力缺陷与颅面部形态异常。

It's currently the leading cause of intellectual disability in the US and can cause characteristic physical abnormalities.

在美国，它是造成智力缺陷的主要原因之一，并会造成特征性的身体异常。

These are things like bodily fluids and sex and physical abnormalities and death.

这些是诸如体液、性、身体异常和死亡之类的东西。

Dogs today are rarely bred for their working abilities (herding, hunting, guarding), but for a very particular type of appearance, which inevitably risks the spread of physical and temperamental abnormalities.

如今狗种培育很少是注重其为人们做事的能力（如放牧、打猎、看门等），而是为了让其具有特定外形，这不可避免地可能导致一 些生理和性情上的畸形现象随繁殖而扩散。

This could perhaps refer to someone in the circus a long time ago when they still had " freak shows, " in which people would pay to look at people with physical abnormalities, either real or fake.

这可能是指很久以前马戏团里的某个人， 当时他们还有“怪胎表演” ，人们会花钱看身体异常的人，无论是真的还是假的。