n.交配；交尾；连结

原形：copulation复数：copulations

Copulation is a natural part of reproduction in most animal species.
交配是大多数动物物种繁殖的自然组成部分。
The frequency of copulation varies widely among different species.
不同物种间的交配频率差异很大。
Scientists study the mating rituals and copulation behaviors of various animals to better understand their biology.
科学家研究各种动物的求偶仪式和交配行为，以更好地理解它们的生物学特性。
Insects often engage in brief but intense periods of copulation.
昆虫通常会进行短暂但激烈的交配期。
The copulation process in birds can be quite complex, involving elaborate displays and vocalizations.
鸟类的交配过程可能相当复杂，包括精心设计的展示和鸣叫。
Some species require external stimuli for successful copulation to occur.
有些物种需要外部刺激才能成功交配。
Copulation may serve not only for reproduction but also for strengthening social bonds between partners.
交配不仅有助于繁殖，还可以加强伴侣之间的社会联系。
In many species, males compete fiercely for the opportunity to copulate with females.
在许多物种中，雄性为了与雌性交配的机会而激烈竞争。
The act of copulation can be influenced by environmental factors such as food availability and habitat quality.
交配行为可能受到食物可得性和栖息地质量等环境因素的影响。
Ethologists observe copulation in wild animals to learn more about their mating systems.
行为生态学家观察野生动物的交配行为，以了解更多关于它们的交配系统的信息。
请注意，"copulation"一词在一些文化或语境中可能被视为敏感或不雅，但在科学讨论中，它是一个专业术语。