childless的例句（childless在句子中的用法）

• A higher'co - efficient of preservation'characterises married women with children than childless marriages. 有子女的已婚妇女同无子女的婚姻相比,其“保存生命的系数”较高.
• Many childless couples adopt children. 许多无子女的夫妇收养孩子.
• a campaign to encourage childless couples to adopt 鼓励无子女夫妇领养孩子的运动
• ...childless couples. 无儿无女的夫妇