dioecy

例句：

1. 1.The ancient Greeks were known for their polygyny, where a man could have multiple wives.
   古希腊人以一夫多妻制而闻名，一个男人可以有多个妻子。
2. 2. In some modern societies, polygyny is still practiced, although it's becoming less common.
   在现代某些社会中，一夫多妻制仍然被实践，尽管它变得越来越少见。
3. 3. The polygyny system has been criticized for its potential to lead to domestic violence and other abuses.
   一夫多妻制制度因其可能引发家庭暴力和其他虐待行为而受到批评。