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来源:雅诚德英语网
Petroleum, consisting of crude oil and natural gas, seems to originate from organic matter in marine sediment.
石油由原油和天然气组成,它们似乎来源于海洋沉积物中的有机物质。
Petroleum, consisting of crude oil and natural gas, seems to originate from organic matter in marine sediment.
石油由原油和天然气组成,它们似乎来源于海洋沉积物中的有机物质。