| petroleum | |
| 级别 | 第7级 |
| 音标 | [ pəˈtrəʊliəm ] |
| 解释 | 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 |
| 发音 |  |
| 例句 |
1. 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。 2. The purpose of oil refinery is to refine crude petroleum. 炼油厂的主要工作是提炼原油。 |
