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词汇 refine
释义 refine
/rɪˈfaɪn ||; rɪˈfaɪn/verb[T]
1 to make a substance pure and free from other substances 提炼;净化: to refine sugar/oil 精制糖;提炼石油
2 to improve sth by changing little details 琢磨;改进: to refine a theory 理论更精辟
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