单词	rock oil
释义	rock oil noun : petroleum Example Sentences Recent Examples on the Web Distilling rock oil produced multiple interesting compounds, one of which looked like an ideal illuminant. Charles R. Morris, WSJ, 21 June 2018 Word History First Known Use 1668, in the meaning defined above
随便看	pleasinglier pleasingliest pleasingly pleasingness pleasingnesses pleasings pleasurabilities pleasurability pleasurable pleasurableness root blindness root borer root bound root canal root cap root celery root cellar root circle root climber root collar root crop root cutting root determinative root disease root division

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