purify

/ˈpjʊrəˌfaɪ/

remove impurities from, increase the concentration of, and separate through the process of distillation

中文释义：净化；提纯

Water purification plants use filters to remove harmful substances.

水净化厂使用过滤器去除有害物质。

Distillation is a common method to purify alcohol in laboratories.

蒸馏是实验室中提纯酒精的常用方法。