早期人类：之前人们一直认为第一个现代人类是在阿瓦士阿拉米斯中部埃塞俄比亚被发现的。
Early humans: Middle Awash Aramis, Ethiopia, where the first 'modern' human beings were thought to have been discovered.
阿迪化石的发现为研究最早期人类祖先的进化过程提供了极重要线索，那个时期的人类祖先生活在进化之路的分岔口，一条路通向人类，另一条路则通向黑猩猩类。
The discovery of Ardi provides vital clues about the earliest human ancestor that lived at the fork in the evolutionary road that led to humans on one side and chimps on the other.
这处有利地形看起来是个回溯人类进化道路的好地方，我们可以从现代人类倒退着回到阿迪时代。
This vantage point seemed like a good place to look back up the evolutionary road that led from Ardi to us.
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