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- It is easy to see why our prehistoric ancestors would have been good to their own in-group but bad - to the point of xenophobia - towards other groups. 很容易理解始祖们善待自己人，但对部落以外的人则施以颜色，甚至仇外。
- Prehistoric ancestors of modern programmers had to live with extremely primitive tools.Early version control systems like RCS only handled file deltas. 现代编程的史前祖先曾经通过极其古老的工具生存，早点的版本控制系统，比如RCS，只是提交文件增量。
- Sykes explains the principles of genetics and human evolution, the particularities of mitochondrial genetics, and analyses of ancient DNA to genetically link modern humans to prehistoric ancestors. 赛克斯解释了遗传学与人类进化的原理，线粒体遗传学的特性，还有通过对古代DNA的分析来寻找现代人类与史前祖先的遗传关系。
- This book has 17 chapters: Chapter one: the hard work of prehistorical ancestors. 本书共分17章，1.;史前先民的艰苦创造。
- He is sprung from noble ancestors. 他出身名门。
- Is Harry's prehistoric car still working? 哈里那辆老式汽车还能开吗?
- Some prehistoric people lived in caves. 有些史前时期的人住在洞穴里。
- His ancestors ascend to the 15th century. 他的祖先可上溯到十五世纪。
- The abacus is the ancestor of the modern computer. 算盘是现代电脑的原型。
- His ancestors had come to England as refugees. 他的祖先来到英国的时候是难民。
- prehistoric ancestors 史前的祖先
- My ancestors came across with the first group of settlers. 我的祖先和第一批定居者一起来到这里。
- The ancestor of the modern bicycle is called a penny farthing. 现代自行车的原型叫做‘前轮大後轮小的自行车’。
- A list of ancestors; a family tree. 家谱祖先录; 家族树
- His ideas on morals are really prehistoric. 他的道德观念真是太陈腐了。
- Ancestor's festival is an important Chinese holiday. 鬼节是中国一个重要的节日。
- Snob talk as if they have beget their own ancestors. 小人大言不惭，简直把自己的祖宗也说成是他们生的了。
- Man was evolved from an ancestor that was probably arboreal. 人大概是从住在树上的祖先进化而来的。
- A prehistoric or primitive human living in caves. 穴居人史前或原始的居于洞中的人类
- First cousins are two degrees from their common ancestor. 嫡堂(或嫡表)兄(或姐，弟，妹)与他们共同的祖宗源自两个支系
