wreckage          
noun [ U ] uk/ˈrek.ɪdʒ/ us/ˈrek.ɪdʒ/
C2 严重受损的东西;残骸
a badly damaged object or the separated parts of a badly damaged object
  Two children were trapped in the wreckage. 两名儿童被困在残骸里。 
 The wreckage of the car was scattered over the roadside. 那辆汽车的残骸散落在路旁。 
  剩余物;残存物
what is left of something that has been spoiled or that has failed
  Kate was still clinging to the wreckage of her failed marriage. 凯特仍然执着于她那破碎的婚姻,不想放手。 
 - More examples
 - Investigators combed through the wreckage.
 - Forensic scientists are examining the wreckage for clues about the cause of the explosion.
 - Rescue teams searched among the wreckage for survivors.
 - They had to amputate his foot to free him from the wreckage.
 - Rescuers took several hours to cut the survivors free from the wreckage.