柯林斯詞典refine /r??fa?n/ (refining,refined,refines) 1. V-T When a substance is refined, it is made pure by having all other substances removed from it. 提煉[usu passive] Oil is refined to remove naturally occurring impurities. 油經(jīng)過提煉去除天然生成的雜質(zhì)。2. refiningN-UNCOUNT 提煉 ...oil refining. …煉油。3. V-T If something such as a process, theory, or machine is refined, it is improved by having small changes made to it. 完善[usu passive] Surgical techniques are constantly being refined. 外科手術(shù)技術(shù)正在不斷得到完善。 返回 refining