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By Victoria Cavaliere Washington 13 June 2007 A deadly, fast-spreading virus is affecting freshwater fish in several lakes in New York state. In the past, the fish virus had a catastrophic impact on fish populations in Europe, Japan, and the U.S. Pac
发表于:2019-01-09 / 阅读(79) / 评论(0)
2007年VOA标准英语(六月)