英语听力精选进阶版 15248
时间：2019-07-18 06:31:07
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（单词翻译）
GlobalBiz: Coal Comfort 25 Aug 2012
Sat, 25 Aug 12
Coal is the most abundant fossil fuel and the dirtiest. With insatiable demand from growing emerging economies, it's here to stay. Peter Day asks if coal can ever go green. Producer: Arlene Gregorius Editor: Stephen Chilcott
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