catharsis

n. 宣泄，净化

catchment area, catchpenny, catchphrase, catchword, catchy, catechism, catechize, catechise, categorical, categorically, categorize, categorize, -ise, category, cater, caterer, catering, caterpillar, caterwaul, catfish, catgut, Cath, cathartic, cathedral, Catherine wheel, catheter, catheterize, -ise, cathode, cathode ray, Catholic, Catholicism, catholicity, catkin, catmint, catnap, catnip, cats-paw, catsuit, catsup, cattily, cattiness, cattle,