单词：gallium perchlorate
过氯酸镓(III)
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Experimental Treatment Targets Drug-Resistant Bacteria You probably have heard about the Trojan Horse. Tradition says the ancient Greeks used a large wooden horse to trick enemy forces and capture the city of Troy. Now, researchers say a similar plan
发表于:2018-12-08 / 阅读(139) / 评论(0)
2018年VOA慢速英语(十)月
2018年VOA慢速英语(十)月
If we are looking for Martian bugs, we should search for life forms at least as tough and alien as this. Im looking at Mars in a point of view of a microbe. And as a microbe, I really need very, very tiny amount of water. I could probably live my ent
发表于:2019-02-03 / 阅读(113) / 评论(0)
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自然百科2012年
As July 4th approaches, Americans look to the skies. Throughout the country, fireworks will be launched in celebration of the nation's independence. But what goes up must come down. Reporter Eric Libby looks at the environmental issues surrounding f
发表于:2019-02-04 / 阅读(130) / 评论(0)
VOA标准英语2008年（七月）
VOA标准英语2008年（七月）