单词：rhodophylaxis
[医] 视紫质保护性
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Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra
发表于:2018-12-05 / 阅读(136) / 评论(0)
国家地理2008年
国家地理2008年
Cyprus Poses Fresh Crisis as EU Questions Russian Investment In Cyprus the banks may still be closed, but lines at cash machines are still growing. Alongside the Cypriots withdrawing their savings are many foreign nationals. With a corporate tax rate
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VOA标准英语2013年(三月)
VOA标准英语2013年(三月)
Transcript for Reference Only --chunshan The infrared astronomical satellite, now celebrating its 25th anniversary, gave us the first all sky view of our dusty infrared universe. Floating above the galactic center is the Rho Ophiuchi Cloud, about 400
发表于:2019-02-26 / 阅读(192) / 评论(0)
自然百科2008年
自然百科2008年