Those events in a far-distant past, hidden in the darkness of primitive mankind's history, are no longer of any concern for our day.
那些事件发生在遥远的过去，隐藏在原始人类历史的黑暗之中，对于我们今天已经没有任何关系了。Scientists can't decide whether this African hominid is just a failed predecessor of H. erectus or the rightful ancestor of modern humans.
科学家们无法决定到底这个非洲原始人类仅仅是进化失败的直立人的前身，还是现代人真正的祖先。She calculated such a hominid could have sweated up to 13. 6 litres a day.
她估计，当时一个原始人类每天的流汗量可达13.6升。Therefore, Xing originates from ancient life of ancestors, and has nothing to do with ancient religion.
因而，兴起源于原始人类的采集、渔猎生活，与原始宗教没有必然的联系。Reincarnation was not the natural evolutionary process of the original human lineage, but it has been operational for over 5 million years.
转世并非原始人类谱系的自然进化过程，但它已经良好地运作了超过五百万年。Since then, we have learned a lot more about this ancestor from the remains of several hundred additional specimens.
自那以后，我们从几百具遗骸中学到了关于这支原始人类的更多情况。The times of existence of the various hominid shown in the chart above are based on dated fossil remains.
在时代的图表显示了不同的原始人类的存在是基于上述日期为化石。As far as we know, Homo Erectus was the first hominid to have body proportions like our own, including long legs and short arms.
据我们所知，直立人是第一个象我们一样拥有长脚，短臂的原始人类。Drilling wood to make fire is the greatest discovery of primitive man. Drum is an important tool to vent and express.
钻木取火是原始人类最伟大的发现，鼓是湘西少数民族表情达意，宣泄情感的重要载体。