| 释义 |
petroleum美 [pə'troʊliəm] 英 [pə'trəʊliəm] adj.+n. offshore petroleum,refine petroleum,strategic petroleum n. fuel,firewood,oil,coal,gas 1. | 石油；原油mineral oil that is found under the ground or the sea and is used to produce petrol/gas, paraffin , diesel oil, etc. |
n. | 1. crude oil that occurs naturally in sedimentary rocks and consists mainly of hydrocarbons. A wide variety of commercially important petrochemicals, including gasoline and kerosene, are derived from it. 2. oil found under the ground or under the bottom of the sea and used for making petrol for cars and chemical products |
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