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| 词汇 | petroleum |
| 释义 | petroleum /pi'trsulidm; ps'trolism/ n [U] mineral oil (vegetable in origin, from forests in prehistoric times) found underground and obtained from wells; used in various forms (petrol, paraffin, etc) for lighting, heating and driving machines. 石油。 i ~ 'jelly n [U] semi-solid substance obtained from ~, used as a lubricant and in ointments. 矿脂; 凡士林。 |
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