catharsis
词根词缀：
catharsis n. 净化；宣泄
cathar 纯洁 + sis 表情况 → 让情绪彻底宣泄出来 → 宣泄
cathartic adj. 通便的
cathar 纯洁 + tic 有…性质的，属于…的，具有…的 → 通便使变干净 → 通便的
cathartic n. 泻药
数据来源：新东方英语词汇速记大全
相关例句：
In addition, the camellia oil there is a certain catharsis.
此外，山茶油还有一定的通便作用。
Drama as catharsis, as release, as reaffirmation of the power of the spirit.
戏剧是卡塔西斯，是一种释放，是灵性力量的再肯定。
The accuracy of the pronunciation, the beauty of the sound quality and the catharsis of the feeling of the singer are all closely related to the breath support.
歌唱者发音的准确、音质的优美和感情的宣泄，都与歌唱的呼吸支持密切相关。
However distant I like to keep myself, I feel I understood part of the catharsis of being at a sacrifice.
不管我希望自己保持多远的距离，我觉得自己感悟到了参加祭祀仪式的部分宣泄作用。
Sex of alkali resistance of pure cotton cloth is strong, can use all sorts of soap and scour catharsis.
纯棉布耐碱性强，可用各种肥皂及洗涤剂洗涤。
I think I have a long time to write something to catharsis my emotion!
我觉得我有一个很长的时间来写东西来宣泄自己的情绪！