名词
中文翻译：单配偶
同义词：
['monogamous', 'single-male', 'single-female']
例句：
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1.The monogamous couple has been together for over 30 years.
这对一夫一妻制的夫妇已经在一起30多年了。
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2. The study found that monogamous couples tend to have happier relationships.
研究发现，一夫一妻制的夫妇关系往往更幸福。
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3. The single-male and single-female pair decided to get married after their divorce.
这对一夫一妻制和一夫一妻制的夫妻在离婚后决定结婚。