名词
中文翻译：宝石同义词
同义词：
['jewel', 'precious stone']
例句：
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1. The diamond is the most valuable gem in the world.
钻石是世界上最珍贵的宝石。
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2. She wore a beautiful necklace made of rubies and sapphires.
她戴着一串由红宝石和蓝宝石制成的美丽的项链。
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3. The gemstone was set into the ring with great care.
这颗宝石被精心镶嵌在戒指上。