purify

Survivalists often carry specialized filters to purify stream water for drinking.

(Chinese) 野外生存者通常携带专门的过滤器，将溪水净化以供饮用。

The pharmaceutical company used advanced chemical processes to purify the active drug compounds.

(Chinese) 这家制药公司使用先进的化学工艺来提纯药物有效成分。