释义
v. 精炼,净化,使优雅
例句
1. The oil will be refined. 这些石油将被精炼。 2. After30 years, the mature author was able to refine on the work of his youth. 过去30年，这位作家已经成熟，他可以将年轻时候写的作品修改得更完美了。