purification

释义

n. 纯化, 提纯, 涤罪\n[化] 提纯 water purification 水的净化 air purification 空气净化 gas purification 煤气净化；气体净化

例句

I saw this policy of “purification” up close.

我目睹的了“净化”政策的整个过程。

The country has already produced nanotechnology products for export in areas including food packaging, water purification and herbal medicine.

该国已经生产了供出口的纳米技术产品，其领域包括食品包装、水净化以及草药。