单词	synfuel
释义	synfuel noun syn·​fu·​el ˈsin-ˌfyü(-ə)l  : a liquid or gaseous fuel derived especially from a fossil fuel that is a solid (such as coal) or part of a solid (such as tar sand or oil shale) Example Sentences Recent Examples on the Web Sasol’s Secunda synfuels operations increased production by 1 percent to a record 7.83 million tons. Paul Burkhardt, Bloomberg.com, 25 July 2017 Word History Etymology synthetic + fuel First Known Use 1975, in the meaning defined above
随便看	sastras sastruga sastrugas sastrugi sat sat about sat around patronymics patroon patroons patroonship patroonships pats pats down pats on the back patsies patsy patt pattae pattamar pattamars pattara patted patted down patten

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