I was bringing up my three children as a single parent.
作为单身母亲,我独自抚养我的3个孩子。
...single-parent families.
单亲家庭
...a single-parent household.
英汉双解词典包含141091条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。