1 N-UNCOUNT [oft in NOUN] 牵引(术);牵引治疗 Traction is a form of medical treatment, in which weights and pulleys are used to gently pull or stretch an injured part of the body for a period of time. You say that a person who is having this treatment is in traction . 牵引(术);牵引治疗

2 N-UNCOUNT (对车辆的)牵引力，拉力 Traction is a particular form of power that makes a vehicle move. (对车辆的)牵引力，拉力

3 N-UNCOUNT (尤指车轮对地面的)附着摩擦力 Traction is the grip that something has on the ground, especially the wheels of a vehicle. (尤指车轮对地面的)附着摩擦力