traction
英 ['trækʃ(ə)n]
美['trækʃən]
	    - n. 牵引;[机][车辆] 牵引力
 
英语释意
- 1. the friction between a body and the surface on which it moves (as between an automobile tire and the road)
 
- 2. (orthopedics) the act of pulling on a bone or limb (as in a fracture) to relieve pressure or align parts in a special way during healing;
 - "his leg was in traction for several days"