concubinage
n. 纳妾;非法同居;妾制
例句
Concubinage has made a come back in recent years.
而最近这些年,纳妾之风似乎有回潮的趋势。
Concubinage has a long history and was common through the early 20th century.
男人纳妾的历史悠久,在19世纪早期也非常普遍。
Emperor Taizong, who was named to the Minister Fang Xuanling concubinage, the Minister's wife interfered.
唐太宗要为一位名叫房玄龄的大臣纳妾,大臣之妻横加干涉。