0 to make a substance more pure by removing other substances -- raffinere
techniques for refining oil/sugar teknikker for raffinering av olje/sukker
2 to make (a substance eg sugar) pure by taking out dirt, waste substances etc -- rense, raffinere
Oil is refined before it is used.
3 to improve -- forbedre, raffinere
We have refined our techniques considerably since the work began.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan fullføre den trinn for trinn, uansett hvor lang veien er, og den kan ikke fullføres uansett hvor kort veien er hvis du ikke en gang markerer fotavtrykket ditt.