refined
/rɪˈfaɪnd/adjective
1- with impurities or unwanted elements having been removed by processing精炼的; 精制的。
1.1
- elegant and cultured in appearance, manner, or taste（容貌、举止或品味）文雅的, 高雅的; 有教养的：
her voice was very low and refined.
她的嗓音低沉而优雅。
1.2
- developed or improved so as to be precise or subtle精确的; 灵活巧妙的：
building up a more refined profile of the customer's needs.
构建更为确切的客户需求变化图表。