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open pit英英字典_open pit剑桥英语解释_open pit柯林斯英文解释_绍翊字体网有道词典
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open pit

O 开头单词

柯林斯词典

    open pit (open pits)

  • 1. N-COUNT An open pit is a mine where the coal, metal, or minerals are near the surface and underground passages are not needed. 露天矿[美国英语]

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