[with obj.]remove impurities or unwanted elements from (a substance), typically as part of an industrial process 提炼;精炼;精制 sugar was refined by boiling it in huge iron vats. 糖在大铁缸里煮沸精制。 ■improve (something) by making small changes, in particular make (an idea, theory, or method) more subtle and accurate 加工,深化(尤指想法、理论或方法的改进) ease of access to computers has refined analysis and presentation of data. 计算机普及使数据分析和描述更加精炼。
派生 refiner noun 语源
late 16th cent.: from re- 'again' + the verb fine, influenced by French raffiner