这道charred bone fragment说明early hominids used fire，其中的那句Analysis of the fragments, which came from a varity of animals, showed that they had been heated to temperature no higher than those produced in experimental campfire made from branches of white stinkwood.... 我读不明白这句想告诉我们什么？？？
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发表于 2013-4-11 23:37:51
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