名词
中文翻译：天青石
同义词：
['bluestone', "sapphire例句：1. The aerugin in the gemstone is so rare that it's worth thousands of dollars.（这块宝石中的天青石如此稀有，价值数千美元。）2. The blue sapphire is one of the most valuable gems in the world.（这颗蓝宝石是世界上最珍贵的宝石之一。）3. The aerugin in the gemstone has been used for centuries to make jewelry.（这种宝石中的天青石被用来制作珠宝，已有数百年的历史。）"]
例句：
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1. The aerugin in the gemstone is so rare that it's worth thousands of dollars.
这块宝石中的天青石如此稀有，价值数千美元。
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2. The blue sapphire is one of the most valuable gems in the world.
这颗蓝宝石是世界上最珍贵的宝石之一。
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3. The aerugin in the gemstone has been used for centuries to make jewelry.
这种宝石中的天青石被用来制作珠宝，已有数百年的历史。