英文關鍵字
cross
trainer
deck
roller
elliptical
machine
sport
rail
magnetic
equipment
fitness
gym
stationary
modern
indoor
health
lifestyle
detail
workout
bike
club
floor
sliding
exercise
part
professional
running
cardio
metal
closeup
fit
drive
stainless
elliptic
steel
exercising
training
apparatus
treadmill
move
nobody
spinning
activity
motion
wheel
room