gre话题作文中英文翻译示例（1）
Topic The following is a letter to the editor of an environmental magazine "The decline in the numbers of amphibians worldwide clearlyindicates the global pollution of water and air. Two studies ofamphibians in Yosemite National Park in California confirm myconclusion. In 1915 there were seven species of amphibians in the park,and there were abundant numbers of each species. However, in 1992 therewere only four species of amphibians observed in the park, and thenumbers of each species were drastically reduced. The decline inYosemite has ... [ 查看全文 ]gre话题作文中英文翻译示例（1）的相关文章
