We write to preserve our family histories so our children and grandchildren can learn and appreciate their heritage (传统).
出自-2010年12月听力原文
All the surveys found that people mixed up names within relationship groups such as grandchildren, friends and siblings but hardly ever crossed these boundaries.
2019年6月四级真题（第一套）阅读 Section C
Older people and women made the mistake slightly more often, but that may be because grandparents have more grandchildren to mix up than parents have children.
2019年6月四级真题（第一套）阅读 Section C
英语六级真题
To look after her grandchildren.
出自-2012年12月听力原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
孙子；孙女；外孙子；外孙女
Someone's grandchild is the child of their son or daughter.