monogynous

例句：

1. 1. The couple is monogamous and lives together without any other partners.
   这对夫妇是专一的，他们一起生活，没有其他伴侣。
2. 2.The monogamous practice of marriage has been around for centuries.
   专一的婚姻实践已经存在了几个世纪了。
3. 3. Monogamous couples often have a strong sense of loyalty and commitment to each other.
   专一的夫妻通常对彼此有强烈的忠诚和承诺感。