名词
中文翻译：宝石
同义词：
['gem', 'mineral例句：1. The arkosite gem is worth thousands of dollars.（这颗宝石价值数千美元。）2. The minerals in the earth are essential for life.（地球中的矿物对生命至关重要。）']
例句：
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1. The arkosite gem is worth thousands of dollars.
这颗宝石价值数千美元。
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2. The minerals in the earth are essential for life.
地球中的矿物对生命至关重要。
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3.The arkosite ore was mined from the mountains.
这种矿石是从山区开采的。