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	euphuises euphuising euphuism euphuisms euphuist euphuistic euphuistically euphuists euphuize euphuized euphuizes euphuizing Euphyllopoda Euplectella euplectellae euplectellas Euplexoptera euploid euploidies euploids euploidy Euplotes euplotid eupnea eupneas

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