petroleum [pəˈtrəʊliəm]

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单词级别

第7级

基本释义

n.原油，石油

英英释义

a dark thick oil obtained from under the ground , from which various substances including petrol , paraffin and diesel oil are produced

参考例句

The Government of Iran advanced the price of petroleum last week. 上星期伊朗政府提高了石油价格。
The purpose of oil refinery is to refine crude petroleum. 炼油厂的主要工作是提炼原油。

petroleum [pəˈtrəʊliəm]

单词级别

基本释义

英英释义

参考例句

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