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- refine something
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 produces several useful chemicals. 炼油的过程会产生几种有用的化学品。
Extra ExamplesTopics The environmentc1supplies of the highly refined white sugar 高度精制白糖的供应 China has eight factories that refine the ore. 中国有八个精炼矿石的工厂。 In those days sugar was refined by boiling it in huge black iron vats. 那时，糖是通过在巨大的黑铁锅中煮沸而精制的。
Oxford Collocations Dictionaryadverb- slightly
- greatly
- further
- …
- attempt to
- try to
- continue to
- …
- into
- highly refined
- refine something
to improve something by making small changes to it 改进；改善；使精练 She has refined her playing technique over the years. 这些年来，她提高了自己的演奏技巧。 This theory still needs a little refining. 这个理论仍然需要进一步完善。
Extra ExamplesThey would constantly refine their designs until they were almost perfect. 他们会不断改进自己的设计直至趋于完美。 The theory was further refined by modern scientists. 现代科学家进一步完善了这一理论。 Our methods have been gradually refined over the years. 几年来我们的方法已逐步改进。 The information system is constantly refined and updated. 信息系统在不断完善和更新。
Oxford Collocations Dictionaryadverb- slightly
- greatly
- further
- …
- attempt to
- try to
- continue to
- …
- into
- highly refined
Word Originlate 16th cent.: from re- ‘again’ + the verb fine ‘make or become thinner’, influenced by French raffiner.