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	pickwickians pickwicks picky picloram piclorams picnic picnic table picnic tables picnicked picnicker picnickers picnicking picnicky picnics picnometer Pico della Mirandola Pico Rivera pico- picofarads picogram picogramme picogrammes picograms picoid picoideses

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