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	belonged belonged to belonging belonging to belongingness belongingnesses belongings belongs belongs to belonid belonidaes belonite belonoid belonophobe belonophobes belonophobia belonophobic Belorussia belorussiae Belorussian belorussians belorussias belostomatid Belostomatidae belostomatidaes

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