refine
柯林斯词典
1. V-T When a substance is refined, it is made pure by having all other substances removed from it. 提炼[usu passive]
Oil is refined to remove naturally occurring impurities. 油经过提炼去除天然生成的杂质。
2. refiningN-UNCOUNT 提炼
...oil refining. …炼油。
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. 外科手术技术正在不断得到完善。
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refine /rɪˈfaɪn/ (refining,refined,refines)
剑桥词典
- to make something pure or improve something, especially by removing unwanted material
（尤指去除不需要的杂质而）精炼，提炼，提纯
Crude oil is industrially refined to purify it and separate out the different elements , such as benzene . 原油经过工业提炼来提纯并且分离出诸如苯之类的不同元素。
to improve an idea , method , system , etc. by making small changes
改进；完善；使精炼
Engineers spent many months refining the software . 工程师们花了数月来完善这个软件。 返回 refine