monogamy

1. N-UNCOUNT Monogamy is used to refer to the state or custom of having a sexual relationship with only one partner. 单一配偶制

People still opt for monogamy and marriage. 人们还是选择单一配偶制和婚姻。

2. N-UNCOUNT Monogamy is the state or custom of being married to only one person at a particular time. 一夫一妻制

In many non-Western societies, however, monogamy has never dominated. 然而，在很多非西方社会，一夫一妻制从未占主导地位。