detergent adj. 净化的;n. 清洁剂
expurgate v. 使纯洁;删除(书中不恰当或不纯的地方)
purify v. 使洁净，净化
purity n. 纯洁，纯净;纯度 (pure adj. 纯洁的)
rectify v. 提纯;改正，调正
sublimate v. 净化，(使)升华
ablution n. (宗教的)净礼，沐浴
flush n./v. 冲洗;脸红;奔流
irrigate v. 冲洗伤口;灌溉
lave v. 洗浴;慢慢冲刷 (lavatory n. 厕所;洗手盆)
purge v. 清洗，洗涤
rinse v. 以清水冲洗，漂洗
sluice v. 冲洗;n. 水门，水闸
swill v. 冲洗;痛饮
buff v. (用软皮)抛光、擦亮;n. 软皮
burnish v. 擦亮，磨光
efface v. 擦掉，抹去
erase v. 擦掉，抹去
erasure n. 擦掉，擦痕
furbish v. 磨光，刷新
obliterate v. 涂掉，擦掉
polish v. 把…擦光亮，抛光;n. 上光剂;(态度等)优雅
scour v. 擦洗，擦亮;四处搜索
scrape v. 刮擦，擦掉
scrub v. 用力擦洗;n. 矮树丛;身体矮小的人
indelible adj. 擦拭不掉的，不可磨灭的
ineffaceable adj. 抹不掉的
disinfect v. 杀菌，消毒
fumigate v. 以烟熏消毒
pasteurize v. 加热杀菌，消毒 (pasteurization n. 加热杀菌法，巴斯德杀菌法(巴氏消毒法))
scald v. 用沸水消毒，烫;n. 烫伤
sterile adj. 无细菌的;贫瘠且无植被的;不孕的
sterilize v. 杀菌;使不育 (sterilization n. 杀菌)
filter v. 过滤;n. 滤纸
percolate v. 过滤出;渗透
sift v. 过滤，筛 (sifter n. 筛子)
furbish v. 刷新，磨光
refresh v. (刷新);消除…的疲劳，使精神振作
refurbish v. 刷新，擦亮
renovate v. 翻新，修复，装修