单词	catalytic cracker
释义	catalytic cracker noun : the unit in a petroleum refinery in which cracking is carried out in the presence of a catalyst Word History First Known Use 1947, in the meaning defined above
随便看	outfaced outfaces outfacing outfall outfalls outfangthief outfasted outfasting outfasts outfawned outfawning outfawns outfeasted outfeasting outfeasts outfeeling outfeels outfelt outfenced outfences outfencing outfield outfielder outfielders outfielding

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