traction

名词 traction:

1. the friction between a body and the surface on which it moves (as between an automobile tire and the road)
   同义词：grip, adhesive friction
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

1. The act of pulling loads; traction.
   拖拽拖动装载物的行为; 牵引
2. Serving to pull or draw; exerting traction.
   牵引的用来拉或拽的; 产生牵引力的