名词
中文翻译：金条
同义词：
['gold coins', 'gold bars', 'gold bullion']
例句：
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1. Therich man had amassed a fortune of gold bars.
那个富人积累了一大笔金币。
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2. Gold bars are often used as a medium of exchange in international trade.
金条经常被用作国际贸易的媒介。
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3.The museum exhibits a collection of gold bars from different countries.
博物馆展示了来自不同国家的金条收藏。