traction

• 指运动物体与所接触表面之间的摩擦力或牵引力；也指医学上对骨骼或肢体施加牵拉力的牵引疗法。

A noun referring to the frictional force between a moving object and the surface it moves on, or a medical procedure involving the application of a pulling force to a bone or limb.

不可数

1. Friction for movementB2formal

   The grip or friction between a moving object and the surface it moves on, such as a tire on a road.

   抓地力

   • The car lost traction on the icy road.
   • Good tires provide better traction in wet conditions.
   • The hiker's boots had excellent traction on the rocky trail.

   同义词adhesionfrictiongripholdpurchase

2. Medical pulling forceC1formalmedical

   In orthopedics, the act of applying a steady pulling force on a bone or limb to align parts or relieve pressure during healing.

   牵引

   • The patient was placed in traction after the hip fracture.
   • Doctors used traction to realign the broken leg.
   • Traction helps reduce pressure on the spine during recovery.

   同义词distractionextensionpull