monogamy
noun /məˈnɒɡəmi/
/məˈnɑːɡəmi/
[uncountable]- the fact or custom of being married to only one person at a particular time
compare bigamy, polygamy一夫一妻(制) - the practice or custom of having a sexual relationship with only one partner at a particular time
compare polyamory see also serial monogamy单配偶;单配性
词源early 17th cent.: from French monogamie, via ecclesiastical Latin from Greek monogamia, from monos ‘single’ + gamos ‘marriage’.