• 基础释义
  • 例句
  • 柯林斯词典释义
例句
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。