ditch      
 noun [ C ] uk/dɪtʃ/ us/dɪtʃ/
 (尤指路边或田边用来供水、排水或划分土地的)沟渠,壕沟
a long, narrow open hole that is dug into the ground, usually at the side of a road or field, used especially for supplying or removing water or for dividing land
 ditch  
verb uk/dɪtʃ/ us/dɪtʃ/
  (GET RID OF)      
  [ T ] informal抛弃,遗弃,丢弃 
to get rid of something or someone that is no longer wanted
  The getaway car had been ditched a couple of miles away from the scene of the robbery. 逃离现场用的车辆被丢弃在距抢劫地两英里以外的地方。 
 Did you know that Sarah ditched (= ended her relationship with) her boyfriend last week? 萨拉上个星期把她男朋友给甩了,你知道吗? 
   (AIRCRAFT)     
 [ I or T ](使飞机)在水上迫降 
to land an aircraft in water in an emergency