单词:gallium halide
卤化镓
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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(63) / 评论(0)
2018年VOA慢速英语(十)月