英日字典: dirt_bike
    The dirt_bike has 1 Senses.
-  scrambler, trail bike, dirt bike
-  トレールバイク
- a lightweight motorcycle equipped with rugged tires and suspension; an off-road motorcycle designed for riding cross country or over unpaved ground
- 頑丈なタイヤとサスペンションを装備している軽量のオートバイ