英文關鍵字
active
activity
asphalt
athlete
bicycle
bike
biker
climbing
countryside
curves
curvy
cycling
cyclist
effort
endurance
exercise
exercising
exhausted
fit
footage
highway
hill
intensity
lifestyle
long
male
motion
mountains
nature
one
outdoors
pedaling
people
practicing
pro
professional
rider
road
solitude
sport
sports
sportsman
sprinting
steep
training
video
workout