名词
中文翻译：石油原油
同义词：
['oil', 'crude oil']
例句：
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1. Thepetroleum industry is a major contributor to the economy.
石油工业是经济的主要贡献者。
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2. Crude oil pricesfluctuate significantly due to marketdemand.
由于市场需求，原油价格波动显著。
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3.The extraction of crude oil from underground reservoirs is a complex process.
从地下储层提取原油是一个复杂的过程。