swill  
 verb uk/swɪl/ us/swɪl/
  (MOVE LIQUID)      
  [ T usually + adv/prep ](常指为了清洗而)冲,涮 
to cause a liquid to flow around or over something, often in order to clean it
  The dentist handed me a glass of water to swill my mouth out with. 牙医递给我一杯水漱口。 
   (DRINK)     
 [ T ] informal often disapproving大口地喝,痛饮,畅饮(尤指酒) 
to drink, especially alcohol, quickly and in large amounts
 swill  
noun uk/swɪl/ us/swɪl/
  (FOOD)        
  [ U ] (UK also pigswill)(给猪吃的)剩饭菜,泔水 
waste human food that is fed to pigs
  [ U ]非常糟糕的食物 
food that is very bad
  I refuse to eat the swill that they serve in the canteen. 食堂里的食物糟透了,我不吃。 
   (LIQUID)      
 [ S ] UK(常指为了清洗而)冲,涮 
the movement of liquid over or around something, often in order to clean it
  Give the sink a quick swill to get it clean. 赶快把水槽冲干净。