英文關鍵字
action
active
adrenalin
athlete
bike
cold
compete
competition
cross
cycle
danger
dangerous
enduro
extreme
flight
helmet
high
hill
jump
leisure
male
motion
moto
motocross
motor
motorbike
motorcycle
motorsport
motosport
outdoor
race
racer
rally
rider
riding
risk
road
slow
snow
speed
speedway
sport
spray
tire
track
transport
turn
vehicle
wheel
winter