illegitimacy rate

• 私生子率

illegitimacy rate的用法和样例：

例句

1. The divorce and illegitimacy rates are high, homosexual couples are having and adopting children in greater numbers, and nearly a third of Americans live alone anyway.
   美国的离婚和私生子率很高，同性恋夫妻领养孩子越来越多，还有近三分之一的美国人过独身生活。