形容词
中文翻译：未精炼的
同义词：
['raw', 'unprocessed', 'untreated']
例句：
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1.The raw materials are being processed into finished products.
原材料正在被加工成成品。
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2.Unrefined sugar is healthier than refined sugar.
未精炼的糖比精炼糖更健康。
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3. The unrefined oil has a higher smoke point and burns hotter.
这种未精炼的油有一个更高的烟点，燃烧得更热。