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
sole
sportive
place
exercise
heel
running
curve
flip
cross
gym
floor
fitness
indoor
home
room
steel
speed
trainer
workout
wheel
treadmill
modern
part
detail
activity
drive
durable
stainless