名词
中文翻译：银
同义词：
['gold', 'brass', 'bronze', 'copper']
例句：
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1.The jewelry was made of pure silver.
这件珠宝是纯银做的。
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2. Silver is a precious metal that shines under the sun.
白银是一种珍贵的金属，在阳光下闪闪发光。
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3.Silver coins are often used as currency in ancient civilizations.
在古代文明中，银币常被用作货币。