refinement

1. N-VAR Refinements are small changes or additions that you make to something in order to improve it. Refinement is the process of making refinements. 改進; 完善

Older cars inevitably lack the latest safety refinements. 較老式的汽車難免缺乏最新的安全改進。

2. N-UNCOUNT Refinement is politeness and good manners. 彬彬有禮; 舉止文雅