bestiality 的音标为英 [ˌbestɪ'ælətɪ]、美 [ˌbestɪ'ælətɪ]，是一个名词，主要有两个核心含义：一是指“兽性；残忍”，描述类似野兽的野蛮、粗暴特质；二是法律和医学语境中的“人兽性交；兽奸”，即人与动物之间的性行为。该词的复数形式为 bestialities。

以下是 10 个例句及短语搭配：

Strictly forbids posting of under-age sex, nudity and bestiality related topics. 严禁发表涉及未成年性爱、裸露以及兽交相关内容。

He had never seen such degradation, had never imagined the bestiality man was capable of committing. 他从未见过如此堕落，无从想象兽心人类能够做出如此勾当。

Their bestiality was astonishing. 他们的兽性令人吃惊。

They believe that human nature the same as bestiality. 他们认为人性同于兽性。

Forced to pick, would you choose necrophilia, coprophilia, bestiality? 如果一定得选，你会选择恋尸癖，嗜粪症还是兽奸?

The Roman attitude towards bestiality was so relaxed that many Roman citizens indulged in it, up to and including their goddamn emperor. 罗马人对嗜兽癖的态度相当随意，很多罗马民众都乐此不疲，他们的君主也会参与其中。

It is shocking that humans can behave with such bestiality towards others. 令人震惊的是，人竟然能对同类下此毒手。

His bestiality made people bristle with anger. 他的禽兽行为令人发指。

The unspeakable bestiality of Auschwitz and the other death camps led many people to reject their faith in the fundamental goodness of humanity. 发生在奥斯威辛和其他死亡集中营的难以形容的暴行使许多人不再相信人类天性善良。

And the author deeply points out the source of the struggle between bestiality and humanity, that is the genetic law. 而且作者深刻地指出两者斗争力量的来源，那就是遗传定律。

短语搭配方面，常见的有“commit bestiality”（实施兽奸行为）和“acts of bestiality”（兽行；兽性之举），这些表达在法律条文和道德批判中较为常见。

在伦理和法律层面，人兽性交因涉及动物无法表达“自由与完全的同意”，且可能对动物造成身心伤害，被普遍视为不道德行为，多数国家将其列为非法。而“兽性”这一含义则常用于文学和哲学语境，批判人类行为中背离理性与道德的野蛮特质。我们应当警惕任何形式的兽性行为，坚守人性中的善良与文明底线。