单词：replicase
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This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Medieval armor certainly looks heavy. And now researchers have demonstrated how the protection might have unwittingly put its wearers at a heavy disadvan
Scientific American(七)月
Kibcob will soon face his first great step on the road to priesthood. He hopes to take part in the most important ceremony of the Ethiopian Orthodox ChurchTimkat, the feast of the Epiphany, celebrating the baptism of Christ. Although Epiphany is cele
自然百科2010年
we sport exact replicas of each others ears. Im taller and more muscular and shave. Hes slender and ungainly and is all knees and elbows. I reach up and pull my hair back from my face, show him the scar from the accident. Unconsciously, he mimics my
时间旅行者的妻子
According to the Daily Mail of September 8, Graham Lane, a 65-year-old electrician in Worcester, UK, kept enough weapons in his modest home to start a real small war. On September 7, nine police vehicles arrived at Lane's home, followed by the Army b
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法律修订赶不上3D打印的发展 WASHINGTON As prices of 3D printers continue to fall, experts are increasingly calling for reconsideration of copyright laws that protect the owners of patents and designs. However, they also warn that overreach
英语新闻
This weekend, the Getty Center, one of the most famous museums in the U.S., will open a new exhibit years in the making. The Cave Temples of Dunhuang: Buddhist Art on Chinas Silk Road features incredible full-size replicas of ancient painted caves fo
cctv9英语新闻2016年