音标:[,pairә'niksis] ;
火针术

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(108) / 评论(0) 分类 国家地理2008年

Drug firms and cancer Lucrative lifesavers 医药公司和癌症 利润丰厚的救星 The hopes and perils of betting on cancer treatments 癌症治疗的希望和风险 NEW weapons are emerging in the war on cancer. 在对癌症的战争中不断有新

发表于:2019-01-11 / 阅读(94) / 评论(0) 分类 经济学人商业系列

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(115) / 评论(0) 分类 自然百科2008年
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