amputation       
noun [ U or C ] uk/ˌæm.pjəˈteɪ.ʃən/ us/ˌæm.pjəˈteɪ.ʃən/
 截肢
the cutting off of a part of the body
  Amputation of the limb is really a last resort. 肢体截肢确实是最后的手段。 
 Most amputations in this region are the result of accidents with land mines.
 See: amputate
 - More examples
 - His doctors told him he faces amputation if he overstresses the leg right now.
 - She suffered a double fracture and avoided amputation only because of speedy medical attention.
 - Diabetes can lead to blindness, nerve damage, and leg amputation.
 - He underwent an amputation of his left hand and forearm after a workplace accident.