1. The country abounds in valuable minerals. 
   这个国家有大量宝贵的矿藏。
2. mining valuable minerals from a placer by washing or dredging. 
   通过从冲积矿洗涤或挖泥来提取贵重矿物的开矿。
3. Worthless rock or other material in which valuable minerals are found. 
   矿物杂质，尾矿在其中找到有价值的矿石的无价值岩石或其它矿产
4. A glacial or alluvial deposit of sand or gravel containing eroded particles of valuable minerals. 
   砂矿，砂积矿床一种砂砾或碎石的冰河沉积物或冲积沉积物，包括有价值的矿物成份
5. run water over the ground to erode (soil), revealing the underlying strata and valuable minerals; in mining. 
   用水冲洗矿物将较轻物质除掉。

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• 1. 贵重矿物
  =Valleyspeak...valuable minerals贵重矿物...VanvAn范(男子名)
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