refining

• 指从石油、金属、糖等物质中去除杂质或不需要成分的过程；也泛指提纯、精炼或使某物变得更纯净、更高尚。

A noun referring to the process of removing impurities or unwanted elements from a substance, such as oil, metals, or sugar.

不可数

1. Purification processB2formaltechnical

   The process of removing impurities or unwanted elements from a substance, such as oil, metals, or sugar.

   精炼

   • The refining of crude oil produces gasoline and other fuels.
   • Gold refining involves melting and chemical treatment to achieve high purity.
   • Sugar refining removes molasses and other byproducts to create white sugar.

   同义词clarificationcleansingdistillationfiltrationpurification

• 动词，指通过做细微的改动或去除杂质与不需要的成分来改进某物。

A verb used to indicate the act of improving something by making small changes, or removing impurities or unwanted elements.

1. Purify or remove impuritiesB2formal

   To remove unwanted substances from a material, making it pure.

   提纯

   • The company refines crude oil into gasoline.
   • Sugar is refined from raw cane juice.
   • They use a special process to refine the metal.

   同义词clarifycleansefilterprocesspurify

   反义词contaminatedefilepollutetaint

2. Improve or perfectB2formal

   To make something better by making small changes or improvements.

   改进

   • She refined her writing skills over many years.
   • The team refined the design based on user feedback.
   • He refined his presentation to make it more persuasive.

   同义词amelioratebetterenhancehoneimproveperfectpolishsharpen

   反义词degradedeteriorateimpairworsen