| [/ˈtrækʃn; ˋtrækʃən/] n [U] 用法:
1 (power used in) pulling sth along a surface （在物体平面上的）牵引, 拖拉, 牵引力, 拉力:
electric/steam traction 电力[蒸汽]牵引. 用法:
2 (medical 医) treatment involving a continuous pull on a limb, etc （对肢体等的）牵引:
She's injured her back and is in traction for a month. 她背部受伤, 正在作一个月的牵引治疗. 用法:
3 ability of a tyre or wheel to grip the ground without sliding （轮胎或车轮对地面的）附著摩擦力:
Winter tyres give increased traction in mud or snow. 使用冬季专用车胎在泥地或雪地上可增加附著摩擦力. |