单词：swap 

名词

• 
  [1.n.swap] (同义词:[barter]  [swap]  [swop]  [trade]  )
• 
  注释列句：an equal exchange; "we had no money so we had to live by barter"
• 上位词 -> [exchange]  [commerce]  [transaction]  [group_action]  [act]  [event]  [psychological_feature]  [abstraction]  [entity] 
• 下位词 -> [horse_trade] 
  派生词 -> [swap] 
  

动词

• 
  [1.v.swap] (同义词:[trade]  [swap]  [swop]  [switch]  )
• 
  注释列句：exchange or give (something) in exchange for
• 上位词 -> [exchange]  [transfer] 
• 派生词 -> [swap] 
  
• 
  [2.v.swap] (同义词:[swap]  )
• 
  注释列句：move (a piece of a program) into memory, in computer science
• 上位词 -> [travel] 
• 下位词 -> [thrash]