单词：retrapping
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31 A Young Pioneer Long ago, when the western part of the United States was still a wilderness, a young boy, called Kit, not yet twenty years old, went from his home in the East to learn about the new country. He wanted to know what lay beyond the R
发表于:2018-12-08 / 阅读(228) / 评论(0)
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ROBERT SIEGEL, HOST: A lot of companies have promised to do their part to reduce their releases of greenhouse gases that are trapping heat and giving the planet a fever. Among them are big food companies, including the biggest American grocer, Walmar
发表于:2019-01-16 / 阅读(148) / 评论(0)
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