monogamous

adj.一夫一妻的；[动]单配的

Is it monogamous in that country? 那个国家是一夫一妻制吗？

Monogamous in on the way out again. 一夫一妻制已经不复存在了。

But a second contradiction thus develops within monogamous marriage itself. 但是，在一夫一妻制内部第二种对立也因此而发展起来了。

The patient had been in a monogamous relationship for the past 30 years. 在过去30年中,病人保持一夫一妻关系。

Men in monogamous societies imagine they would be better off under polygyny. 在一夫一妻制的社会里，男性会想象他们在一夫多妻制度下会有更么的好。