refiner
🇬🇧/rɪˈfaɪnə(r)/ 🇺🇸/rɪˈfaɪnər/
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Refiners are people or organizations that refine substances such as oil or sugar in order to sell them. 精炼工
noun [专属名词] 精炼机；精制者，精炼者
The refiner defined a definite confine with IT fine finger. 提炼者用她精细的手指定义了唯一明确的界限。
