The word 'petroleum' refers to a liquid mixture of hydrocarbons occurring naturally in the earth, especially in large underground structures, believed to have been formed from the remains of ancient animals and plants. It is a fossil fuel.
单词'petroleum'的意思是“石油”。
| 单词 | petroleum |
|---|---|
| 音标 | [pəˈtrəʊliəm] [pəˈtroʊliəm] |
| 释义 | n.["石油"] |
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