名词
中文翻译：Unknown
同义词：
['diamond', 'gemstone']
例句：
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1. Thediamond is the most valuable gemstone inthe world.
钻石是世界上最珍贵的宝石。
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2. She bought abeautiful diamond ring for her wedding day.
她为婚礼买了一个漂亮的钻石戒指。
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3. Diamondsare often used as currency in some countries.
在一些国家，钻石常被用作货币。