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(单词翻译)
模仿文本:Take the relationship between the world's second biggest mining company Rio Tinto and the government of Mongolia. In the last few years, Rio Tinto has spent over $6 billion building a vast copper1 mine way out in the Gobi desert. It's designed to dig out a huge reserve of copper, gold and silver.

收听单词发音
1
copper
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| n.铜;铜币;铜器;adj.铜(制)的;(紫)铜色的 | |
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