英文關鍵字
act
action
active
animation
bike
champion
circuit
competition
cross
dealer
dirt
enduro
engine
extreme
garage
gears
gravel
helmet
jumping
laser
light
man
mascot
motocross
motor
motorbike
motorcycle
neon
podium
power
race
racer
racing
rider
speed
sport
stunt
tarmac
throttle
tough
tournament
track
transportation
trick
vehicle
video
whip