child of a parent 是什么？翻译

如题
还有child of a grandparent 是什么呢？怎么翻译？是指祖父母的孩子？为什么部直接说是叔叔或姑姑呢 在线急 +10
我说的者两个词属于 家庭成员名称，不是短语之类的
原句：including parents，children，grandchildren ，grandparents，XXX， XXXX， ...

遗弃子女Abandonment (Of A Child)？ Poem of a Iraqi child的作者是谁? A child is usually ____either or both of his parents. The child is the father of a man是什么意思？ a lost child还是a losing child? 2 When I was a child,I ____ in the city of Hangzhou. One of the most important aims for a school is to help_a child'character. Man is a born child, his power is the power of growth. from his earliest days as a child he wondered about the secrets of nature Poem of an Iraqi child