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refines是什么意思

refines

v. 精炼( refine的第三人称单数 )，精制，使纯净，使文雅高尚；

柯林斯高阶英汉双解学习词典释义

VERB

提炼;精炼

When a substance is refined, it is made pure by having all other substances removed from it.
例句
Oil is refined to remove naturally occurring impurities. 油经过提炼去除天然存在的杂质。
VERB

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.
例句
Surgical techniques are constantly being refined. 外科手术的技术不断得到完善。

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