名词中文翻译
中文翻译：美元
同义词：
['dollar', 'greenbacks']
例句：
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1.He was given a greenback as a gift.
他收到了一张绿背纸币作为礼物。
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2. The price of gold is determined by the value of its greenback equivalent.
黄金的价格由其绿背等值货币的价值决定。
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3. The greenback is a symbol of American economic power.
绿背是美国经济力量的象征。