mo·nog·a·mous
adjective/məˈnɒɡəməs/
/məˈnɑːɡəməs/
- in which somebody is married to only one person at a particular time
一夫一妻（制） - a monogamous marriage
一夫一妻制的婚姻
- a monogamous marriage
- having a sexual relationship with only one partner at a particular time
单配偶；单配性 - Most birds are monogamous.
大多数飞禽都是单配性的。
- Most birds are monogamous.