名词
中文翻译：原油
同义词：
['crude oil', 'crude petroleum', 'unrefined oil']
例句：
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1. The crude oil is extracted from the ground.
原油是从地下提取的。
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2. Crude oil is a valuable resource for many industries.
原油是许多行业的重要资源。
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3. The refinery processes crude oil into various products.
炼油厂将原油加工成各种产品。