mop       
 noun [ C ] uk/mɒp/ us/mɑːp/
 拖把;洗碗刷
a stick with soft material attached to one end, especially used for washing floors
  a floor mop 地板拖把 
 a dish mop 洗碗刷 
 mop          
verb [ T ] uk/mɒp/ us/mɑːp/ -pp-
 用拖把拖洗
to use a mop to wash something
  He mopped the bathroom floor. 他拖了浴室地板。 
  擦去(脸上的)汗水
to use a cloth to remove sweat from the face
  He kept pausing to mop his brow. 他不断停下来擦去额头的汗水。 
 Phrasal verb     
mop something up (用布或拖把)吸干净;用拖把擦去
to use a piece of cloth or a mop to remove liquid from the surface of something
  There's milk on the floor over there - could you get a cloth and mop it up? 那边地板上有牛奶——你能拿块布把它擦干净吗? 
  informal结束,完成 
to finish dealing with something
  It took a week to mop up the last of the enemy soldiers (= defeat them). 彻底消灭敌军残部花了一个星期。