单词	back run
释义	back run noun : the period in an industrial process in which the flow of materials (as of steam and gas in water-gas manufacture) is reversed Word History Etymology back entry 3 First Known Use 1927, in the meaning defined above
随便看	rought roughtail roughtailed roughy rouging rougy Rouhani rouille rouilles rouk rouky roul roulade roulades roule rouleau rouleaus rouleaux roulette rouletted roulettes rouletting Rouman roumania roumaniae

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