refining

名词 refining:

1. the process of removing impurities (as from oil or metals or sugar etc.)
   同义词：refinement, purification

动词 refine:

1. improve or perfect by pruning or polishing
   同义词：polish, refine, fine-tune, down
2. make more complex, intricate, or richer
   同义词：complicate, refine, rarify, elaborate
3. treat or prepare so as to put in a usable condition
   同义词：refine
4. reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities
   同义词：refine, rectify
5. attenuate or reduce in vigor, strength, or validity by polishing or purifying
   同义词：refine
6. make more precise or increase the discriminatory powers of
   同义词：refine

1. The steel refining equipment alone may cost twenty millions pound.
   单单钢的精炼设备就可能值两千万英镑。
2. A thick syrup produced in refining raw sugar and ranging from light to dark brown in color.
   废糖蜜提炼粗糖过程中产生的，颜色从淡到深褐色的一种粘性糖桨