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Pronunciation Guide
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Listen to native speakers pronounce “arrowheads” in real conversational contexts with synchronized timestamps and subtitles.
to be better at what we needed to do, better tools, leading up to Stone Age technology of things like very fine chips of obsidian or flint,which give you very sharp spearheads or arrowheads.And all of this story of our evolution as hominins and all of this technological development happened in this part of the world, in East Africa.