booster cables, flares, tire pump, and a bag of sand or cat litter (for traction);

汽车急救线、照明灯、轮胎打气泵和一袋子的沙土或者猫砂（增加牵引力）。

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The system instantly detects tire slip and smoothly distributes engine torque to tires with traction.

该系统可以快速检测到轮胎滑移，顺利地分配发动机的扭矩来牵引轮胎。

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For the sake of this article, we'll define traction as the maximum amount of force the tire can apply against the ground (or that the ground can apply against the tire — they are the same thing).

在本文中，我们将附着力定义为地面对轮胎的最大作用力(或者是轮胎对地面的作用力- - - - -这两个力是一回事)。

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Our tester had winter snow tires, thankfully, given that there was plenty of snow to drive in, and that meant that when we were on dry pavement there was less traction than you'd get from a grippier summer tire.

FORBES: Test Drives