英文關鍵字
active
adult
athlete
athletic
bicycle
bike
biking
black
body
cardio
closeup
cycle
cycling
dark
doing
equipment
exercise
exercising
fit
fitness
guy
gym
health
indoor
leg
lifestyle
machine
male
man
motion
muscle
muscular
one
pedal
person
physical
portrait
simulator
sitting
slow
sport
sportsman
stationary
strong
training
unknown
unrecognizable
workout
young