detoxify  
verb uk/diːˈtɒk.sɪ.faɪ/ us/diːˈtɑːk.sə.faɪ/
  (REMOVE POISONS)         
  [ T ]去毒 
to remove harmful chemicals from the body or from something
  The chamber is used to detoxify patients with acute carbon-monoxide poisoning. 这个腔室是用来给一氧化碳中毒患者去毒用的 
 Caterpillars eat cherry leaves containing cyanide, but they rapidly detoxify them. 毛虫吃樱桃树带有氰化物的叶子,但是能很快地去毒。 
  [ I or T ]去毒,解毒 
to stop using drugs or alcohol or eating certain foods for a period of time in order to get rid of harmful substances from your body
  The idea of the diet was to detoxify the body.  这种饮食的理念是为身体排毒。 
 Believing that a person can rid themselves of poisons through detoxifying, he says, is magical thinking.  他说,相信一个人可以靠排毒来清除体内毒素,是一种异想天开的想法。 
 - More examples
 - An enlarged liver loses its ability to detoxify the body's waste products.
 - Conscientious mothers regularly detoxify kitchen surfaces in order to cut down risk of infection.
 - They promote detoxifying products like seaweed wraps and sea-salt baths.
 - She and her husband decided to detoxify as a pathway to healthier eating.
 
  (IMPROVE REPUTATION)      
 [ T ]消除(公众对某个公司、产品或政党的)负面印象 
to change or get rid of negative or damaging ideas that people connect with a company, product, political party, etc.
  He embarked on a systematic campaign to detoxify the party brand. 他发起了一场运动,按部就班地改善党的形象。 
 - More examples
 - His literary bestseller "The Name Of The Rose" detoxified the medieval mystery genre.