履带

例句：

1. 1. The tank was equipped with a track system for better mobility.
   坦克装备了轨道系统以便于更好的机动性。
2. 2.The heavy equipment needed to be moved on the track.
   重型设备需要沿着轨道移动。
3. 3.The vehicle's tracks were worn from years of use.
   车辆的轨道因多年使用而磨损。