| 单词 | petroleum |
|---|---|
| 音标 | 英[pəˈtrəʊliəm] 美[pəˈtroʊliəm] |
| 解释 | n.石油; |
| 例句 | N-UNCOUNT 石油；原油 Petroleum is oil which is found under the surface of the earth or under the sea bed. Petrol and paraffin are obtained from petroleum. |
| 变形 |
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