monogamous

一夫一妻的, 单配的中释n

1 So birds are monogamous but they cheat as well, within limits..所以鸟类是一夫一妻制，但它们也背叛，有限度地。

2 Unlike most other fish, they are monogamous and mate for life..不像其他的鱼类，它们是一夫一妻制并终生厮守。

3 Many birds are socially monogamous, which is to say that the male and female form an exclusive bond and spend a great deal of their time together..许多种鸟类都实行社会化的一夫一妻制：雄性与雌性组成独占性的结合，一起度过生命中的大部分时间。