劍橋詞典 purification noun [U] (NOT MIXED) the act of removing harmful substances from something 凈化，提純 a water purification plant 凈水廠 an air purification system 空氣凈化系統(tǒng) purification noun [U] (MORALLY GOOD) in some religions , the act of removing from a person , usually by a ceremony , the bad effects that they are suffering because they have broken a religious or moral law （某些宗教中的）滌罪，洗罪 返回 purification