depurate
depurate[dɪˈpjʊəreɪt, ˈdɛpjʊreɪt]verb- [with obj.](rare)free (something) of impurities
(罕)使净化,除去…的杂质
派生depurationnoundepurative( & ) adjective& noundepuratornoun语源- early 17th cent.: from medieval Latin depurat- 'purified', from the verb depurare, from de- 'completely' + purare 'purify' (from purus 'pure')
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