[VERB 动词]提炼;精炼 When a substance is refined, it is made pure by having all other substances removed from it.
[be V-ed]
[usu passive]
Oil is refined to remove naturally occurring impurities.
油经过提炼去除天然存在的杂质。
refining
...oil refining.
炼油
2
[VERB 动词]改进,改善,改良(过程、理论或机器) If something such as a process, theory, or machine is refined, it is improved by having small changes made to it.
[be V-ed]
[usu passive]
Surgical techniques are constantly being refined.
外科手术的技术不断得到完善。
Oxford
re·fineAWL/rɪˈfaɪn; NAmErɪˈfaɪn/verb1refinesth to make a substance pure by taking other substances out of it 精炼;提纯;去除杂质◆the process of refining oil/sugar炼油的╱炼糖的工序2refinesth to improve sth by making small changes to it 改进;改善;使精练refinerefinesrefinedrefiningre·fine/rɪˈfaɪn; NAmErɪˈfaɪn/
LDC
refinere‧fine /rɪˈfaɪn/ ●○○AWL verb [transitive]
Verb Table
Examples
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1to improve a method, plan, system etc by gradually making slight changes to it: Car makers are constantly refining their designs.2to make a substance purer using an industrial process → refinery: oil refining
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