标签：净滩大行动 相关文章

国家地理-2008-04-08 Coastal Cleanup 净滩大行动

Even as the first day of autumn hovers over American shores, traces of summer linger. So, every year at this time, nearly half a million people step forward to help, to volunteer in an international coastal cleanup and the results can be staggering.

发表于:2018-12-05 / 阅读(61) / 评论(0) 分类 国家地理2008年

英语听力：自然百科 Coastal Cleanup 净滩大行动

So, every year at this time, nearly half a million people step forward to help, to volunteer in an international coastal cleanup and the results can be staggering. In the last couple of years alone, an average of 8 million pounds of trash is collecte

发表于:2018-12-26 / 阅读(57) / 评论(0) 分类 自然百科2008年
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