Question

refine 【REFINE】Sugar, oil and metals are refines before being used.糖、油和金属在使用前都要经过精炼。【重点词汇】refine v. 精炼

Accepted Answer

[rɪ'faɪn] 
refinereduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities
When you refine something, you make it better. Whether it's sugar or an essay, refining it requires fixing its flaws.
You may think you created a masterpiece on the first try. But there's always room to refine. More than just working out the kinks, refining something means you're going to fine tune it, hone it to perfection, and make it more precise. In scientific terms, to refine something means to reduce it down to a pure state. At the dinner table, you can please grandma by refining your manners.
All forms of 'refine' will appear on average once every 207 pages.overrefinedoverrefinementoverrefinerefinerefinedrefinementrefinerrefineryrefiningunrefined

Front	refine
Pron	[rɪ'faɪn]
Back	【REFINE】 Sugar, oil and metals are refines before being used. 糖、油和金属在使用前都要经过精炼。【重点词汇】 refine v. 精炼
Vocab	refinereduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities When you refine something, you make it better. Whether it's sugar or an essay, refining it requires fixing its flaws. You may think you created a masterpiece on the first try. But there's always room to refine. More than just working out the kinks, refining something means you're going to fine tune it, hone it to perfection, and make it more precise. In scientific terms, to refine something means to reduce it down to a pure state. At the dinner table, you can please grandma by refining your manners. All forms of 'refine' will appear on average once every 207 pages. overrefined overrefinement overrefine refine refined refinement refiner refinery refining unrefined

Refine Refining Reduce Pure Make Means Rɪ'Faɪn Sugar