2013年10月19日
每日英语：Skull Shakes Up Human Family Tree
摘要： A newly discovered 1.8 million-year-old skull offers evidence that humanity's early ancestors emerged from Africa as a single adventurous species, not several species as believed, drastically simplifying human evolution, an international research team said Thursday.skull：颅骨 drastically：彻底地，激烈地 . 阅读全文
posted @ 2013-10-19 10:21 微雪 阅读(302) 评论(0) 推荐(0)