refined

1. ADJ A refined substance has been made pure by having other substances removed from it. 去掉杂质的; 精炼的

...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. 彬彬有礼的; 举止文雅的

...refined and well-dressed ladies. …举止文雅、衣着考究的女士们。

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. 这项技术变得越来越精密和受人欢迎。