英文關鍵字
action
beaten
buggy
car
championship
competition
contest
control
controlled
dirt
drive
dust
earth
electric
engine
excitement
extreme
fast
four
ground
hobby
leader
miniature
model
motor
nitro
off
play
power
race
radio
rally
remote
road
run
scale
small
speed
spin
stones
summer
toy
track
truck
vehicle
wheel
winner