cause to become more cultured, polished in manners; get rid of what is coarse or vulgar
"refine one's style of writing"
"refine a design or pattern"
"refine paper stock"
"refine pig iron"
"many valuable nutrients are refined out of the foods in our modern diet"
"refine a method of analysis"
"refine the constant in the equation"
Her poetry..gained simplicity and directness as she refined it.
出自： G. Daly
He refined upon the older methods.
The author is planning to refine on his works of five years ago.
They refined on the methods of teaching.
Modern medical techniques refine on those of the past.
Much of the really nutritive material actually was refined out of the food.