英文關鍵字
activity
apparatus
athlete
back
behind
care
center
club
doing
elderly
elliptical
energy
equipment
exercise
exerciser
exercisers
fast
father
fitness
gym
healthy
hotel
human
indoors
leisure
lifestyle
machine
male
man
motion
muscular
run
senior
simulator
skiing
sochi
speed
sport
sports
step
strength
tilt
together
training
treadmill
two
walking
woman
work
young