名词
中文翻译：油砂
同义词：
['oil sands', 'bitumen sands']
例句：
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1.The oil sands are a major source of energy for many countries.
油砂是许多国家的主要能源来源。
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2. The extraction process for oil sands is complex and requires significant investment.
油砂的开采过程复杂，需要大量的投资。
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3. The environmental impact of oil sands mining has been a topic of concern for many years.
油砂矿的开采对环境的影响一直是多年来人们关注的问题。