名词
中文翻译：Unknown
同义词：
['gem', 'precious stone']
例句：
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1.The diamond is one of the most valuable gems in the world.
钻石是世界上最珍贵的宝石之一。
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2.She inherited a collection of antique gems from her grandmother.
她从祖母那里继承了一套古董宝石。
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3. Gemstones are often used in jewelry and decorative items.
宝石常用于珠宝和装饰品中。