re·fineAWBrE/rɪˈfaɪn/NAmE/rɪˈfaɪn/verbpresent simple - I / you / we / theyrefineBrE/rɪˈfaɪn/NAmE/rɪˈfaɪn/present simple - he / she / itrefinesBrE/rɪˈfaɪnz/NAmE/rɪˈfaɪnz/past simplerefinedBrE/rɪˈfaɪnd/NAmE/rɪˈfaɪnd/past participlerefinedBrE/rɪˈfaɪnd/NAmE/rɪˈfaɪnd/ -ing formrefiningBrE/rɪˈfaɪnɪŋ/NAmE/rɪˈfaɪnɪŋ/~sthtomakeasubstancepurebytakingothersubstancesoutofit精炼；提纯；去除杂质◆theprocessofrefiningoil/sugar炼油的/炼糖的工序~sthtoimprovesthbymakingsmallchangestoit改进；改善；使精练