标题: 急问！！！！OG12 CR第13题 [打印本页] 作者: GillSun 时间: 2013-4-11 23:37 标题: 急问！！！！OG12 CR第13题 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？？？ 作者: GillSun 时间: 2013-4-11 23:47
顶！请大家帮忙解答！！作者: GillSun 时间: 2013-4-13 09:11
求教求教求教！作者: GillSun 时间: 2013-4-13 09:17
