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单词 placer
释义 placer/ˈpleisə/n. a deposit of sand, gravel, etc., in the bed of a stream etc., containing valuable minerals in particles (含贵重金属的)砂矿,砂积矿床 [Latin American Spanish, related to placel ‘sandbank’ from plaza PLACE]
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更新时间:2025/3/31 19:36:07