trail bike

noun

1. 越野摩托车
   a light motorcycle that can be used on rough ground

1. Harry saw the Death Eaters swerve out of sight to avoid the deadly trail of flame, and at the same time felt the sidecar sway ominously: Its metal connections to the bike had splintered with the force of acceleration.
   哈利看见食死徒为了躲避致命的火焰，闪身不见了，同时他感到挎斗不祥地摇晃起来：在加速的冲力下，挎斗和摩托车的金属连接断裂了。
2. Analysis and Computation Model for the Structure of Trail Bike
   轻便型摩托结构动态分析计算模型

noun

1. a lightweight motorcycle equipped with rugged tires and suspension

   Synonym:    dirt bikescrambler