adj.单偶的，一夫一妻制的，有单一性伴侣的，单配的;一雄一雌的

Monogamy is the practice of having only one sexual partner at a time.
一夫一妻制是指在同一时间只有一位性伴侣的行为。
Many species of birds exhibit monogamous mating behaviors.
许多鸟类展现出一夫一妻的交配行为。
In human societies, monogamy is often seen as a cultural norm.
在人类社会中，一夫一妻制通常被视为文化规范。
The couple has been in a monogamous relationship for five years.
这对情侣已经保持一夫一妻的关系五年了。
Monogamy can provide emotional stability and security in a relationship.
一夫一妻制可以在关系中提供情感稳定和安全感。
Some religions uphold monogamy as an essential aspect of marital fidelity.
一些宗教将一夫一妻视为婚姻忠诚的重要组成部分。
Monogamy is not universal across all human cultures; some have practiced polygamy.
一夫一妻制并非所有人类文化都实行，有些文化则实行多配偶制。
Research suggests that monogamy may have evolved as a way to ensure paternal certainty.
研究表明，一夫一妻制可能进化为确保父亲身份的确定性的一种方式。
In many Western countries, monogamy is legally enforced through marriage laws.
在许多西方国家，法律通过婚姻法来强制执行一夫一妻制。
The concept of monogamy can be challenging for individuals with non-monogamous inclinations.
对于有非一夫一妻倾向的人来说，一夫一妻的概念可能具有挑战性。