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单词 placer
释义
plac·er (plăsər)
n.
1. A glacial or alluvial deposit of sand or gravel containing eroded particles of valuable minerals.
2. A place where a placer deposit is washed to extract its mineral content.

[Spanish, shoal, placer, from Catalan placer, shoal, from plassa, place, from Medieval Latin placea; see PLACE.]
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更新时间:2025/1/8 14:18:59