名词
中文翻译：淘金矿砂
同义词：
['gold dredge', 'gold ore例句：1. The gold dredge was used to extract the valuable gold from the riverbed.（黄金挖泥机被用来从河床上提取有价值的黄金。）']
例句：
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1. The gold dredge was used to extract the valuable gold from the riverbed.
黄金挖泥机被用来从河床上提取有价值的黄金。
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2. Gold ore is a valuable resource that can be mined for its gold content.
黄金矿石是一种有价值的资源，可以开采其含金量。
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3. The gold ore has been extracted from the mine and is now being processed for sale.
从矿井中提取的黄金矿石现在正在加工出售。