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VOA常速英语2008年-Volunteers Replant Red Spruce Trees in West Vir

By Zulima Palacio Washington 22 April 2008 Deep into the mountain state of West Virginia, a group of volunteers is determined to restore nature the way it was a century ago, before mining, logging and fires changed the landscape. To do so, thousands

发表于:2019-01-25 / 阅读(65) / 评论(0) 分类 VOA常速英语2008年（四月）
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