英文關鍵字
slide
gliding
mechanism
slider
slip
machine
elliptical
crossed
cardio
pedal
roll
rotation
left
right
movement
adjustable
foot
simulator
crosstrainer
sports
crossing
testing
sole
sportive
spinning
rhythm
feet
cycle
place
turn
floor
rolling
moving
motor
push
detail
part
flip
activity
workout
trainer
gym
drive
durable
speed
treadmill
steel
motion
lever