dirt bike

noun

1. （尤指用于比赛的）越野摩托车
   a motorcycle designed for rough ground, especially for competitions

1. (适于在崎岖不平的道路上行驶的)轻型摩托车
   A dirt bike is a type of motorbike that is designed to be used on rough ground.

1. Dirt bike trails crisscrossed the grassy furrows.
   越野摩托车的轮迹纵横交错地布满条条草沟。
2. "Yes, I rode the dirt bike for a total of about five seconds in the film," he said," but, for those five seconds, I had to look as cool as possible."
   泰勒自曝说：“在电影中我只需要骑那辆轻型摩托五秒钟，但我必须要让这五秒看上去要多帅有多帅。”

noun

1. a lightweight motorcycle equipped with rugged tires and suspension

   Synonym:    trail bikescrambler