purification
[ˌpjʊrəfɪˈkeʃən]
n.
洗净;
涤罪;
提纯;
（犹太妇女按教规在月经后行的）洁净礼;
例句:
-
The water goes through three stages of purification.
这水经过3个步骤的净化.
-
One third of their entire site is given up to a water-purification plant.
他们将整块地的1/3用于建净水厂。
-
-- Or a polluted soul towards their purification?
— 或者说,一个亵渎的灵魂能够净化他人 吗 ?
-
Experience of molecular biology and protein purification is essential.
来自SA
-
Excellent knowledge of molecular biology, purification and analytics.
来自SA
-
He should install such-and-such purification system in his sink.
来自NEWYORKER