动词
中文翻译：精炼
同义词：
['improve', 'refine', "polish例句：1. The chef used a variety of spices to refine the dish's flavor.（厨师使用各种香料来提升菜肴的风味。）2. The company refined its product line to better meet customer needs.（公司改进了产品线，更好地满足客户需求。）"]
例句：
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1. The chef used a variety of spices to refine the dish's flavor.
厨师使用各种香料来提升菜肴的风味。
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2. The company refined its product line to better meet customer needs.
公司改进了产品线，更好地满足客户需求。
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3. Refining oil is a process that removes impurities and improves its quality.
提炼油是一个去除杂质并提高其质量的过程。