英文關鍵字
motion
slow
movement
alley
park
unrecognizable
action
active
beautiful
bicycle
bike
biker
boy
cycle
cyclist
enjoy
follow
adult
guy
health
healthy
leisure
lifestyle
male
man
outdoor
pedal
people
person
physical
recreation
ride
rider
sport
summer
track
training
transport
travel
trip
way
young
bicyclist
exercise
hobby
outside
pursuit
stylish
wheel