英语词汇rock oil的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	rock oil
释义	rock oil 英?[r?k ?il] 美?[rɑk ??l] 释义 n. 石油大小写变形:Rock oil 实用场景例句全部 Naturally occurring rock oil is referred to as crude oil or petroleum. 天然形成之石油,我们称作原油或石油. 辞典例句 Coal and rock oil, or petroleum, are of great value as fuels. 煤和石油或汽油, 作为燃料,价值极大. 辞典例句英英释义 Noun 1. a dark oil consisting mainly of hydrocarbons 同义词 petroleum
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rock oil