ablution
词根词缀：
ablution n. 沐浴；净化
ab 去掉 + lut 洗，冲洗 + ion 表动作 → 洗掉〔脏东西〕→ 沐浴
dilute v. 冲淡
di 分开 + lut 冲洗 + e →〔用水〕冲洗开 → 冲淡
dilution n. 冲淡；稀释物
dilute的名词
lavatory n. 洗手间
lav 洗，冲洗 + atory 场所 → 冲洗的地方 → 洗手间
lavish v. 浪费
lav 洗，冲洗 + ish 使… → 冲掉 → 浪费
lavish adj. 浪费的
数据来源：新东方英语词汇速记大全
相关例句：
Ritual cleanliness and ablution are required before salat, as are clean clothes and location, and the removal of shoes.
清洁和沐浴仪式之前需要萨拉特一样，干净衣服和地点，并取消鞋。
While in the process of my life, but also wind and rain also bumps, but the sun made me wild with joy to my ablution.
虽然，在我的生命进程里，亦有风雨亦有坎坷，但阳光对我的沐浴使我欣喜若狂。
2, the ablution archetype and the hero archetype.
2，调用了宗教洗礼原型和英雄原型；
It acts like performing ablution to a plain dramatic tale and making it to be solemn, mysterious and meaningful.
它能为一个普通的戏剧故事洗礼，使之变得更为隆重、神秘、含义深刻。
In the same time, the reporting of the earthquake is a memorial in the history of natural disaster reporting and an ablution of the press.
同时汶川大地震报道是中国突发灾难事件报道的一个里程碑，是对新闻界的一次洗礼。
He performed his ablution before the ritual.
他在典礼前进行了沐浴。