名词
中文翻译：脉石
同义词：
['rock fragments', 'quartz grains']
例句：
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1. The geologist found the vein of gold in the mountainside.
地质学家在山腰发现了金矿脉。
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2. The rock fragments were scattered on the ground.
岩石碎片散落在地上。
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3. Quartz grains are commonly found in sandstone and limestone.
石英颗粒通常存在于砂岩和石灰岩中。