12505 running status 12505 train 12505 train running status north east ex today's time of northeast express up northeast sf express running status.
Refining is the process of reducing the impurities in a substance. You can't turn crude oil into gasoline without first refining it. Refining is nowadays most commonly associated with the processing of petroleum products such as oil and gas, but it also applies to precious metals, especially those used in jewelry. Sugar is another substance that undergoes refining, which makes it less grainy and more consistent.
refined person meaning, refined person definition | English Cobuild dictionary. refined. 1 adj A refined substance has been made pure by having other substances removed from it. ...refined sugar. 2 adj If you say that someone is refined, you mean that they are very polite and have good manners and good taste. (=genteel) ...refined and well-dressed ladies... 3 adj If you describe a machine or a process as refined, you mean that it has been carefully developed and is therefore very efficient or elegant. This technique is becoming more refined and more acceptable all the time.