每人都有父母二人，父母又有各自父母共四人，以此类推三十代，多少人是你的直系祖先？

来源: 大荣确于 2024-02-29 18:23:39 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.