名词
中文翻译：旧币
同义词：
['antique coinage', 'antiquated coinage例句：1. The antique coin collection is on display in the museum.（这个博物馆展出了古董硬币收藏。）2. Antiquated coinage has been used to commemorate the historical events.（古币被用来纪念历史事件。）']
例句：
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1. The antique coin collection is on display in the museum.
这个博物馆展出了古董硬币收藏。
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2. Antiquated coinage has been used to commemorate the historical events.
古币被用来纪念历史事件。
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3. The ancient coins are believed to have been minted during the Roman Empire.
这些古币据信是在罗马帝国时期铸造的。