traction
n[U]
1 (power used in) pulling sth along a surface (在物體平面上的)牽引, 拖拉, 牽引力, 拉力
electric/steam traction 電力[蒸汽]牽引.
2 (medical 醫(yī)) treatment involving a continuous pull on a limb, etc (對(duì)肢體等的)牽引
She's injured her back and is in traction for a month. 她背部受傷, 正在作一個(gè)月的牽引治療.
3 ability of a tyre or wheel to grip the ground without sliding (輪胎或車輪對(duì)地面的)附著摩擦力
Winter tyres give increased traction in mud or snow. 使用冬季專用車胎在泥地或雪地上可增加附著摩擦力.