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placer

/ˈpleɪ.sər/

翻译: 指含有金、锡等贵重矿物颗粒的砂矿或冲积矿床,也泛指河床或海滨沉积物中富集的重矿物。

1 个条目

noun

/ˈpleɪ.sər/C1formaltechnical
  • zh指含有金、锡等贵重矿物颗粒的砂矿或冲积矿床,也泛指河床或海滨沉积物中富集的重矿物。

A noun referring to an alluvial deposit containing particles of a valuable mineral, such as gold or tin.

  1. Alluvial mineral depositC1formal

    A deposit of sand or gravel containing particles of valuable minerals, such as gold or diamonds, formed by the action of water.

    zh砂矿

    • The miners discovered a rich placer of gold in the riverbed.
    • Placer deposits are often found in streams and ancient river channels.
    • The company invested in equipment to extract minerals from the placer.

    同义词alluvial deposit

词形
  • placers plural form
  • placers' possessive plural form
  • placer's possessive singular form