1.  refine
2.  purification
3.  polishing
4.  rectification
5.  make with extra care

• 1. 精制: refining | refine | purification | purifed
• 2. 精制的: refined | ingenious | prepared
• 3. 加氢精制: hydrofining | hydrorefining | hydrotreating | hydrogenfinishing

更多释义

• 1.她的膳食是由未受农药、盐或精制糖污染过的天然食品构成的。
  Her diet consisted of natural food, uncontaminated by pesticides, salt or refined sugar.
  dict.yoduao.com
• 2.精制过程将麸皮和胚芽从谷物中除去。
  The refining process removes the bran and germ from the grain.
  dict.yoduao.com
• 3.糖类也是碳水化合物，糖类的来源是精制糖——蔗糖，它是一种食品甜味剂、防腐剂和果糖。
  Sugars are also carbohydrates, sources of sugars are refined sugar—sucrose, which is a food sweetener and preservative and fruit sugars—fructose.
  dict.yoduao.com

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