pure的名词动词形式为 pure的名词动

①名词为purity

n. 洁净,纯净;纯洁,清白;(声音、文章、音乐等的)清晰

②动词为purify

v. 使(某物)洁净,净化;变纯净;洗涤(思想),净化(心灵);提纯,精炼

It can also help to purify the water quality, reduce pollution and improve environment.

荷花还可净化水质、减少污染、改善环境。