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单词
ground sluice
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ground
′
sluice′,
[
Mining.
]
Mining
a trench, cut through a placer or through bedrock, through which a stream is diverted in order to dislodge and wash the gravel.
1865–70
ground
′
-sluic′er
,
n.
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更新时间:2026/5/8 7:52:37