great-great-grandson 英语 其他写法 great great grandson词源 源自 great- + great- + grandson。 名词 great-great-grandson（复数 great-great-grandsons） 玄孙；曾孙、曾孙女的儿子上位词 great-great-grandchild关联词 great-great-granddaughter相关词汇 great-great-grandparent great-great-grandfather great-great-grandmother
