名词
中文翻译：Unknown
同义词：
['金银铜铁锡铅汞例句：1. The ancient coins are made of a mixture of gold', 'silver', 'and copper.（古代硬币是由金、银和铜混合制成的。）2. The precious metals have always been valued for their rarity and beauty.（这些贵金属因其稀有性和美丽而一直受到珍视。）3. The value of the currency is determined by the weight of the coin.（货币的价值取决于硬币的重量。）']
例句：
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1. The ancient coins are made of a mixture of gold, silver, and copper.
古代硬币是由金、银和铜混合制成的。
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2. The precious metals have always been valued for their rarity and beauty.
这些贵金属因其稀有性和美丽而一直受到珍视。
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3. The value of the currency is determined by the weight of the coin.
货币的价值取决于硬币的重量。