refined

1. ADJ A refined substance has been made pure by having other substances removed from it. 去掉雜質的; 精煉的

...refined sugar. …精制糖。

2. ADJ If you say that someone is refined, you mean that they are very polite and have good manners and good taste. 彬彬有禮的; 舉止文雅的

...refined and well-dressed ladies. …舉止文雅、衣著考究的女士們。

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. 精密的

This technique is becoming more refined and more acceptable all the time. 這項技術變得越來越精密和受人歡迎。